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25061015425 = 521397211803
BaseRepresentation
bin10111010101110000…
…001011111110000001
32101200112201111020111
4113111300023332001
5402311104443200
615302440311321
71545015054625
oct272560137601
971615644214
1025061015425
11a6a03208a6
124a34a72541
13249507a714
1412da50b185
159ba2260ba
hex5d5c0bf81

25061015425 has 12 divisors (see below), whose sum is σ = 31299229360. Its totient is φ = 19904573520.

The previous prime is 25061015401. The next prime is 25061015489. The reversal of 25061015425 is 52451016052.

It is not a de Polignac number, because 25061015425 - 27 = 25061015297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3602427 + ... + 3609376.

Almost surely, 225061015425 is an apocalyptic number.

25061015425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25061015425 is a deficient number, since it is larger than the sum of its proper divisors (6238213935).

25061015425 is a wasteful number, since it uses less digits than its factorization.

25061015425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7211952 (or 7211947 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The spelling of 25061015425 in words is "twenty-five billion, sixty-one million, fifteen thousand, four hundred twenty-five".

Divisors: 1 5 25 139 695 3475 7211803 36059015 180295075 1002440617 5012203085 25061015425