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10122852920 = 2352313979159
BaseRepresentation
bin10010110110101111…
…00111101000111000
3222010110221012122112
421123113213220320
5131212422243140
64352251511452
7505565554505
oct113327475070
928113835575
1010122852920
1143250a5254
121b66158588
13c542a2acb
146c05c24ac
153e3a78c65
hex25b5e7a38

10122852920 has 64 divisors (see below), whose sum is σ = 23937984000. Its totient is φ = 3845179008.

The previous prime is 10122852893. The next prime is 10122852923. The reversal of 10122852920 is 2925822101.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10122852923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88301 + ... + 167459.

It is an arithmetic number, because the mean of its divisors is an integer number (374031000).

Almost surely, 210122852920 is an apocalyptic number.

10122852920 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 10122852920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11968992000).

10122852920 is an abundant number, since it is smaller than the sum of its proper divisors (13815131080).

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

10122852920 is a wasteful number, since it uses less digits than its factorization.

10122852920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79332 (or 79328 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The spelling of 10122852920 in words is "ten billion, one hundred twenty-two million, eight hundred fifty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 23 40 46 92 115 139 184 230 278 460 556 695 920 1112 1390 2780 3197 5560 6394 12788 15985 25576 31970 63940 79159 127880 158318 316636 395795 633272 791590 1583180 1820657 3166360 3641314 7282628 9103285 11003101 14565256 18206570 22006202 36413140 44012404 55015505 72826280 88024808 110031010 220062020 253071323 440124040 506142646 1012285292 1265356615 2024570584 2530713230 5061426460 10122852920