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25112520052 = 2231732774251
BaseRepresentation
bin10111011000110100…
…101010010101110100
32101211010122012022021
4113120310222111310
5402412301120202
615311520242524
71546211620114
oct273064522564
971733565267
1025112520052
11a7173aa004
124a4a170444
1324a2941929
1413032b7044
159be9eba37
hex5d8d2a574

25112520052 has 24 divisors (see below), whose sum is σ = 45986001152. Its totient is φ = 11984760000.

The previous prime is 25112520019. The next prime is 25112520053. The reversal of 25112520052 is 25002521152.

It is a junction number, because it is equal to n+sod(n) for n = 25112519999 and 25112520026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25112520053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378074 + ... + 1396177.

Almost surely, 225112520052 is an apocalyptic number.

It is an amenable number.

25112520052 is a deficient number, since it is larger than the sum of its proper divisors (20873481100).

25112520052 is a wasteful number, since it uses less digits than its factorization.

25112520052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774359 (or 2774357 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The spelling of 25112520052 in words is "twenty-five billion, one hundred twelve million, five hundred twenty thousand, fifty-two".

Divisors: 1 2 4 31 62 73 124 146 292 2263 4526 9052 2774251 5548502 11097004 86001781 172003562 202520323 344007124 405040646 810081292 6278130013 12556260026 25112520052