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51411731053 = 181284042713
BaseRepresentation
bin101111111000011000…
…001100001001101101
311220200222020112120011
4233320120030021231
51320242400343203
635341311453221
73500013334504
oct577030141155
9156628215504
1051411731053
111a892644531
129b69827211
134b04397c47
1426ba01783b
15150d7a576d
hexbf860c26d

51411731053 has 4 divisors (see below), whose sum is σ = 51695773948. Its totient is φ = 51127688160.

The previous prime is 51411731051. The next prime is 51411731069. The reversal of 51411731053 is 35013711415.

51411731053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3956158404 + 47455572649 = 62898^2 + 217843^2 .

It is a cyclic number.

It is not a de Polignac number, because 51411731053 - 21 = 51411731051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51411731051) 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, 142021176 + ... + 142021537.

It is an arithmetic number, because the mean of its divisors is an integer number (12923943487).

Almost surely, 251411731053 is an apocalyptic number.

It is an amenable number.

51411731053 is a deficient number, since it is larger than the sum of its proper divisors (284042895).

51411731053 is a wasteful number, since it uses less digits than its factorization.

51411731053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284042894.

The product of its (nonzero) digits is 6300, while the sum is 31.

The spelling of 51411731053 in words is "fifty-one billion, four hundred eleven million, seven hundred thirty-one thousand, fifty-three".

Divisors: 1 181 284042713 51411731053