Search a number
-
+
101010010000 = 245443234907
BaseRepresentation
bin101111000010010101…
…0100110111110010000
3100122201120011011111111
41132010222212332100
53123332030310000
6114223043023104
710204056630034
oct1360452467620
9318646134444
10101010010000
1139924576609
12176b006aa94
1396a9b42bb3
144c632561c4
152962c46cba
hex1784aa6f90

101010010000 has 100 divisors (see below), whose sum is σ = 250243733872. Its totient is φ = 39464208000.

The previous prime is 101010009967. The next prime is 101010010007. The reversal of 101010010000 is 10010101.

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 (4).

It is not an unprimeable number, because it can be changed into a prime (101010010007) 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, 312547 + ... + 547453.

Almost surely, 2101010010000 is an apocalyptic number.

101010010000 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 101010010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125121866936).

101010010000 is an abundant number, since it is smaller than the sum of its proper divisors (149233723872).

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

101010010000 is an equidigital number, since it uses as much as digits as its factorization.

101010010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234978 (or 234957 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 101010010000 its reverse (10010101), we get a palindrome (101020020101).

It can be divided in two parts, 1010100 and 10000, that added together give a square (1020100 = 10102).

The spelling of 101010010000 in words is "one hundred one billion, ten million, ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 43 50 80 86 100 125 172 200 215 250 344 400 430 500 625 688 860 1000 1075 1250 1720 2000 2150 2500 3440 4300 5000 5375 8600 10000 10750 17200 21500 26875 43000 53750 86000 107500 215000 234907 430000 469814 939628 1174535 1879256 2349070 3758512 4698140 5872675 9396280 10101001 11745350 18792560 20202002 23490700 29363375 40404004 46981400 50505005 58726750 80808008 93962800 101010010 117453500 146816875 161616016 202020020 234907000 252525025 293633750 404040040 469814000 505050050 587267500 808080080 1010100100 1174535000 1262625125 2020200200 2349070000 2525250250 4040400400 5050500500 6313125625 10101001000 12626251250 20202002000 25252502500 50505005000 101010010000