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25212952248 = 2331195503607
BaseRepresentation
bin10111011110110011…
…110001111010111000
32102002010121200101020
4113132303301322320
5403114003432443
615325505022440
71551541362261
oct273663617270
972063550336
1025212952248
11a769066220
124a77924a20
1324ba6a7073
14131277b968
159c8739583
hex5decf1eb8

25212952248 has 32 divisors (see below), whose sum is σ = 68762597760. Its totient is φ = 7640288480.

The previous prime is 25212952201. The next prime is 25212952277. The reversal of 25212952248 is 84225921252.

It is a super-2 number, since 2×252129522482 (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47751540 + ... + 47752067.

It is an arithmetic number, because the mean of its divisors is an integer number (2148831180).

Almost surely, 225212952248 is an apocalyptic number.

It is an amenable number.

25212952248 is an abundant number, since it is smaller than the sum of its proper divisors (43549645512).

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

25212952248 is a wasteful number, since it uses less digits than its factorization.

25212952248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95503627 (or 95503623 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The spelling of 25212952248 in words is "twenty-five billion, two hundred twelve million, nine hundred fifty-two thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 95503607 191007214 286510821 382014428 573021642 764028856 1050539677 1146043284 2101079354 2292086568 3151619031 4202158708 6303238062 8404317416 12606476124 25212952248