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51057953313 = 371239708701
BaseRepresentation
bin101111100011010010…
…101000101000100001
311212210022112202201220
4233203102220220201
51314031314001223
635242233045253
73455156304513
oct574322505041
9155708482656
1051057953313
111a72097a034
129a8b256829
134a78cbb3c3
142685045bb3
1514dc6c26e3
hexbe34a8a21

51057953313 has 8 divisors (see below), whose sum is σ = 69036106176. Its totient is φ = 33559218000.

The previous prime is 51057953311. The next prime is 51057953321. The reversal of 51057953313 is 31335975015.

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

It is not a de Polignac number, because 51057953313 - 21 = 51057953311 is a prime.

It is a super-3 number, since 3×510579533133 (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (51057953311) 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, 119854138 + ... + 119854563.

It is an arithmetic number, because the mean of its divisors is an integer number (8629513272).

Almost surely, 251057953313 is an apocalyptic number.

It is an amenable number.

51057953313 is a deficient number, since it is larger than the sum of its proper divisors (17978152863).

51057953313 is a wasteful number, since it uses less digits than its factorization.

51057953313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239708775.

The product of its (nonzero) digits is 212625, while the sum is 42.

The spelling of 51057953313 in words is "fifty-one billion, fifty-seven million, nine hundred fifty-three thousand, three hundred thirteen".

Divisors: 1 3 71 213 239708701 719126103 17019317771 51057953313