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102020110000 = 245431732183
BaseRepresentation
bin101111100000011011…
…1110101011010110000
3100202022221211120012121
41133000313311122300
53132414122010000
6114511205004024
710241103425014
oct1370067653260
9322287746177
10102020110000
113a2a27686a6
12179323b3614
13980b1a82c3
144d1b472544
1529c1770b1a
hex17c0df56b0

102020110000 has 100 divisors (see below), whose sum is σ = 247787770032. Its totient is φ = 40678048000.

The previous prime is 102020109991. The next prime is 102020110001. The reversal of 102020110000 is 11020201.

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

It is not an unprimeable number, because it can be changed into a prime (102020110001) 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, 3153909 + ... + 3186091.

Almost surely, 2102020110000 is an apocalyptic number.

102020110000 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 102020110000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123893885016).

102020110000 is an abundant number, since it is smaller than the sum of its proper divisors (145767660032).

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

102020110000 is an equidigital number, since it uses as much as digits as its factorization.

102020110000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32528 (or 32507 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 102020110000 its reverse (11020201), we get a palindrome (102031130201).

The spelling of 102020110000 in words is "one hundred two billion, twenty million, one hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 317 400 500 625 634 1000 1250 1268 1585 2000 2500 2536 3170 5000 5072 6340 7925 10000 12680 15850 25360 31700 32183 39625 63400 64366 79250 126800 128732 158500 160915 198125 257464 317000 321830 396250 514928 634000 643660 792500 804575 1287320 1585000 1609150 2574640 3170000 3218300 4022875 6436600 8045750 10202011 12873200 16091500 20114375 20404022 32183000 40228750 40808044 51010055 64366000 80457500 81616088 102020110 160915000 163232176 204040220 255050275 321830000 408080440 510100550 816160880 1020201100 1275251375 2040402200 2550502750 4080804400 5101005500 6376256875 10202011000 12752513750 20404022000 25505027500 51010055000 102020110000