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25252800005 = 5179227124297
BaseRepresentation
bin10111100001001011…
…110010011000000101
32102011220121011020002
4113201023302120011
5403204204100010
615333451051045
71552534154426
oct274113623005
972156534202
1025252800005
11a789602454
124a89140a85
1324c5a19514
141317b9164d
159cbeab1a5
hex5e12f2605

25252800005 has 16 divisors (see below), whose sum is σ = 30607139520. Its totient is φ = 20000717952.

The previous prime is 25252799993. The next prime is 25252800019. The reversal of 25252800005 is 50000825252.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-25252800005 is a prime.

It is a Curzon 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, 141017 + ... + 265313.

It is an arithmetic number, because the mean of its divisors is an integer number (1912946220).

Almost surely, 225252800005 is an apocalyptic number.

It is an amenable number.

25252800005 is a deficient number, since it is larger than the sum of its proper divisors (5354339515).

25252800005 is a wasteful number, since it uses less digits than its factorization.

25252800005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124708.

The product of its (nonzero) digits is 8000, while the sum is 29.

The spelling of 25252800005 in words is "twenty-five billion, two hundred fifty-two million, eight hundred thousand, five".

Divisors: 1 5 179 227 895 1135 40633 124297 203165 621485 22249163 28215419 111245815 141077095 5050560001 25252800005