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51067267057 = 2318112266939
BaseRepresentation
bin101111100011110110…
…001010011111110001
311212210222001221210101
4233203312022133301
51314041210021212
635243204432401
73455331415342
oct574366123761
9155728057711
1051067267057
111a726160644
129a923a8701
134a7abcc7b1
14268638c0c9
1514dd412157
hexbe3d8a7f1

51067267057 has 8 divisors (see below), whose sum is σ = 53581993920. Its totient is φ = 48577074480.

The previous prime is 51067267039. The next prime is 51067267063. The reversal of 51067267057 is 75076276015.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51067267057 - 235 = 16707528689 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51067266998 and 51067267016.

It is not an unprimeable number, because it can be changed into a prime (51067267007) 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, 6129307 + ... + 6137632.

It is an arithmetic number, because the mean of its divisors is an integer number (6697749240).

Almost surely, 251067267057 is an apocalyptic number.

It is an amenable number.

51067267057 is a deficient number, since it is larger than the sum of its proper divisors (2514726863).

51067267057 is a wasteful number, since it uses less digits than its factorization.

51067267057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12267143.

The product of its (nonzero) digits is 617400, while the sum is 46.

The spelling of 51067267057 in words is "fifty-one billion, sixty-seven million, two hundred sixty-seven thousand, fifty-seven".

Divisors: 1 23 181 4163 12266939 282139597 2220315959 51067267057