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51715342434 = 2375323232409
BaseRepresentation
bin110000001010011110…
…011000000001100010
311221111010112121002010
4300022132120001202
51321403111424214
635431355133350
73510361105050
oct601236300142
9157433477063
1051715342434
111aa28a65228
12a033444256
134b5225b752
14270848b1d0
15152a279659
hexc0a798062

51715342434 has 32 divisors (see below), whose sum is σ = 120436813440. Its totient is φ = 14497022592.

The previous prime is 51715342423. The next prime is 51715342463. The reversal of 51715342434 is 43424351715.

It is a junction number, because it is equal to n+sod(n) for n = 51715342392 and 51715342401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11613979 + ... + 11618430.

It is an arithmetic number, because the mean of its divisors is an integer number (3763650420).

Almost surely, 251715342434 is an apocalyptic number.

51715342434 is an abundant number, since it is smaller than the sum of its proper divisors (68721471006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51715342434 is a wasteful number, since it uses less digits than its factorization.

51715342434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23232474.

The product of its digits is 201600, while the sum is 39.

The spelling of 51715342434 in words is "fifty-one billion, seven hundred fifteen million, three hundred forty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 7 14 21 42 53 106 159 318 371 742 1113 2226 23232409 46464818 69697227 139394454 162626863 325253726 487880589 975761178 1231317677 2462635354 3693953031 7387906062 8619223739 17238447478 25857671217 51715342434