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1011010010000 = 2454694914549
BaseRepresentation
bin11101011011001001110…
…01000111101110010000
310120122121000200212212012
432231210321013232100
5113031022030310000
62052241313122052
7133020525202364
oct16554471075620
93518530625765
101011010010000
1135a848880411
12143b35259328
13744512b9463
1436d0c7a12a4
151b473131735
hexeb64e47b90

1011010010000 has 100 divisors (see below), whose sum is σ = 2448276847500. Its totient is φ = 404318016000.

The previous prime is 1011010009993. The next prime is 1011010010009. The reversal of 1011010010000 is 100101101.

It can be written as a sum of positive squares in 10 ways, for example, as 393314613904 + 617695396096 = 627148^2 + 785936^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is a Harshad number since it is a multiple of its sum of digits (5).

It is not an unprimeable number, because it can be changed into a prime (1011010010009) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69482726 + ... + 69497274.

It is an arithmetic number, because the mean of its divisors is an integer number (24482768475).

Almost surely, 21011010010000 is an apocalyptic number.

1011010010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011010010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1224138423750).

1011010010000 is an abundant number, since it is smaller than the sum of its proper divisors (1437266837500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011010010000 is an equidigital number, since it uses as much as digits as its factorization.

1011010010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21526 (or 21505 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 1011010010000 its reverse (100101101), we get a palindrome (1011110111101).

The spelling of 1011010010000 in words is "one trillion, eleven billion, ten million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 6949 10000 13898 14549 27796 29098 34745 55592 58196 69490 72745 111184 116392 138980 145490 173725 232784 277960 290980 347450 363725 555920 581960 694900 727450 868625 1163920 1389800 1454900 1737250 1818625 2779600 2909800 3474500 3637250 4343125 5819600 6949000 7274500 8686250 9093125 13898000 14549000 17372500 18186250 29098000 34745000 36372500 69490000 72745000 101101001 145490000 202202002 404404004 505505005 808808008 1011010010 1617616016 2022020020 2527525025 4044040040 5055050050 8088080080 10110100100 12637625125 20220200200 25275250250 40440400400 50550500500 63188125625 101101001000 126376251250 202202002000 252752502500 505505005000 1011010010000