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50871767225 = 522034870689
BaseRepresentation
bin101111011000001100…
…011001000010111001
311212022100012112102212
4233120030121002321
51313141133022400
635211542304505
73450435613106
oct573014310271
9155270175385
1050871767225
111a635871734
129a38a28135
134a4955c916
14266841baad
1514cb196335
hexbd83190b9

50871767225 has 6 divisors (see below), whose sum is σ = 63080991390. Its totient is φ = 40697413760.

The previous prime is 50871767207. The next prime is 50871767257. The reversal of 50871767225 is 52276717805.

It can be written as a sum of positive squares in 3 ways, for example, as 15110309776 + 35761457449 = 122924^2 + 189107^2 .

It is not a de Polignac number, because 50871767225 - 218 = 50871505081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1017435320 + ... + 1017435369.

It is an arithmetic number, because the mean of its divisors is an integer number (10513498565).

Almost surely, 250871767225 is an apocalyptic number.

It is an amenable number.

50871767225 is a deficient number, since it is larger than the sum of its proper divisors (12209224165).

50871767225 is a wasteful number, since it uses less digits than its factorization.

50871767225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034870699 (or 2034870694 counting only the distinct ones).

The product of its (nonzero) digits is 1646400, while the sum is 50.

The spelling of 50871767225 in words is "fifty billion, eight hundred seventy-one million, seven hundred sixty-seven thousand, two hundred twenty-five".

Divisors: 1 5 25 2034870689 10174353445 50871767225