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25465008965 = 5111317135153
BaseRepresentation
bin10111101101110101…
…010011001101000101
32102201200220111012012
4113231311103031011
5404123020241330
615410511304005
71561022001434
oct275565231505
972650814165
1025465008965
11a888374160
124b2821b005
13252a989956
14133803111b
159e0927c95
hex5edd53345

25465008965 has 16 divisors (see below), whose sum is σ = 33339491136. Its totient is φ = 18518073600.

The previous prime is 25465008949. The next prime is 25465008977. The reversal of 25465008965 is 56980056452.

It is not a de Polignac number, because 25465008965 - 24 = 25465008949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 706829 + ... + 741981.

It is an arithmetic number, because the mean of its divisors is an integer number (2083718196).

Almost surely, 225465008965 is an apocalyptic number.

It is an amenable number.

25465008965 is a deficient number, since it is larger than the sum of its proper divisors (7874482171).

25465008965 is a wasteful number, since it uses less digits than its factorization.

25465008965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48340.

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 25465008965 in words is "twenty-five billion, four hundred sixty-five million, eight thousand, nine hundred sixty-five".

Divisors: 1 5 11 55 13171 35153 65855 144881 175765 386683 724405 1933415 463000163 2315000815 5093001793 25465008965