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51110001056 = 2515710173169
BaseRepresentation
bin101111100110011001…
…001011100110100000
311212220221111001211002
4233212121023212200
51314133130013211
635251332411132
73456360561302
oct574631134640
9155827431732
1051110001056
111a7482992a4
129aa4776aa8
134a86a1289a
14268bd13972
1514e205403b
hexbe664b9a0

51110001056 has 24 divisors (see below), whose sum is σ = 101263734180. Its totient is φ = 25392227328.

The previous prime is 51110001053. The next prime is 51110001091. The reversal of 51110001056 is 65010001115.

51110001056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 50796144400 + 313856656 = 225380^2 + 17716^2 .

It is a super-2 number, since 2×511100010562 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51110001053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5081561 + ... + 5091608.

Almost surely, 251110001056 is an apocalyptic number.

It is an amenable number.

51110001056 is a deficient number, since it is larger than the sum of its proper divisors (50153733124).

51110001056 is a wasteful number, since it uses less digits than its factorization.

51110001056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10173336 (or 10173328 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 20.

The spelling of 51110001056 in words is "fifty-one billion, one hundred ten million, one thousand, fifty-six".

Divisors: 1 2 4 8 16 32 157 314 628 1256 2512 5024 10173169 20346338 40692676 81385352 162770704 325541408 1597187533 3194375066 6388750132 12777500264 25555000528 51110001056