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25580255055 = 355928904243
BaseRepresentation
bin10111110100101100…
…111011011101001111
32110000201202121002220
4113310230323131033
5404342021130210
615430145350423
71563621403035
oct276454733517
973021677086
1025580255055
11a937429263
124b5a938413
13254880aac4
141349470555
159eaadec70
hex5f4b3b74f

25580255055 has 16 divisors (see below), whose sum is σ = 41622111360. Its totient is φ = 13411568288.

The previous prime is 25580255039. The next prime is 25580255111. The reversal of 25580255055 is 55055208552.

It is a cyclic number.

It is not a de Polignac number, because 25580255055 - 24 = 25580255039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25580254998 and 25580255016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14451237 + ... + 14453006.

It is an arithmetic number, because the mean of its divisors is an integer number (2601381960).

Almost surely, 225580255055 is an apocalyptic number.

25580255055 is a deficient number, since it is larger than the sum of its proper divisors (16041856305).

25580255055 is a wasteful number, since it uses less digits than its factorization.

25580255055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28904310.

The product of its (nonzero) digits is 500000, while the sum is 42.

The spelling of 25580255055 in words is "twenty-five billion, five hundred eighty million, two hundred fifty-five thousand, fifty-five".

Divisors: 1 3 5 15 59 177 295 885 28904243 86712729 144521215 433563645 1705350337 5116051011 8526751685 25580255055