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25620413060 = 225115310972003
BaseRepresentation
bin10111110111000110…
…000111101010000100
32110010112022211112102
4113313012013222010
5404432311204220
615434142211232
71564616626544
oct276706075204
973115284472
1025620413060
11a9580675a0
124b70283b18
132553c2b538
141350925324
159ee3c3775
hex5f7187a84

25620413060 has 96 divisors (see below), whose sum is σ = 59885868672. Its totient is φ = 9127838720.

The previous prime is 25620413053. The next prime is 25620413081. The reversal of 25620413060 is 6031402652.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12790019 + ... + 12792021.

It is an arithmetic number, because the mean of its divisors is an integer number (623811132).

Almost surely, 225620413060 is an apocalyptic number.

25620413060 is a gapful number since it is divisible by the number (20) 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 25620413060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29942934336).

25620413060 is an abundant number, since it is smaller than the sum of its proper divisors (34265455612).

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

25620413060 is a wasteful number, since it uses less digits than its factorization.

25620413060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3171 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 25620413060 in words is "twenty-five billion, six hundred twenty million, four hundred thirteen thousand, sixty".

Divisors: 1 2 4 5 10 11 20 22 44 53 55 106 110 212 220 265 530 583 1060 1097 1166 2003 2194 2332 2915 4006 4388 5485 5830 8012 10015 10970 11660 12067 20030 21940 22033 24134 40060 44066 48268 58141 60335 88132 106159 110165 116282 120670 212318 220330 232564 241340 290705 424636 440660 530795 581410 639551 1061590 1162820 1167749 1279102 2123180 2197291 2335498 2558204 3197755 4394582 4670996 5838745 6395510 8789164 10986455 11677490 12791020 21972910 23354980 24170201 43945820 48340402 96680804 116456423 120851005 232912846 241702010 465825692 483404020 582282115 1164564230 1281020653 2329128460 2562041306 5124082612 6405103265 12810206530 25620413060