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51288237804275 = 522051529512171
BaseRepresentation
bin10111010100101011110010…
…01100100000101011110011
320201121002220110212021011022
423222111321030200223303
523210301302334214100
6301025254032210055
713542311226164633
oct1352257114405363
9221532813767138
1051288237804275
111538424618256a
12590400709992b
1322805c9a18194
14c945149986c3
155de1d1139e85
hex2ea579320af3

51288237804275 has 6 divisors (see below), whose sum is σ = 63597414877332. Its totient is φ = 41030590243400.

The previous prime is 51288237804229. The next prime is 51288237804283. The reversal of 51288237804275 is 57240873288215.

It is not a de Polignac number, because 51288237804275 - 216 = 51288237738739 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1025764756061 + ... + 1025764756110.

It is an arithmetic number, because the mean of its divisors is an integer number (10599569146222).

Almost surely, 251288237804275 is an apocalyptic number.

51288237804275 is a deficient number, since it is larger than the sum of its proper divisors (12309177073057).

51288237804275 is a wasteful number, since it uses less digits than its factorization.

51288237804275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051529512181 (or 2051529512176 counting only the distinct ones).

The product of its (nonzero) digits is 60211200, while the sum is 62.

The spelling of 51288237804275 in words is "fifty-one trillion, two hundred eighty-eight billion, two hundred thirty-seven million, eight hundred four thousand, two hundred seventy-five".

Divisors: 1 5 25 2051529512171 10257647560855 51288237804275