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51023580716 = 2218170474559
BaseRepresentation
bin101111100001001111…
…100000111000101100
311212200220212110101202
4233201033200320230
51313444014040331
635235004225032
73454261165043
oct574117407054
9155626773352
1051023580716
111a703532429
129a7b83b178
134a71b450a4
14268065955a
1514d9682ecb
hexbe13e0e2c

51023580716 has 12 divisors (see below), whose sum is σ = 89784589440. Its totient is φ = 25370840880.

The previous prime is 51023580709. The next prime is 51023580721. The reversal of 51023580716 is 61708532015.

51023580716 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51023580716.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35236556 + ... + 35238003.

It is an arithmetic number, because the mean of its divisors is an integer number (7482049120).

Almost surely, 251023580716 is an apocalyptic number.

It is an amenable number.

51023580716 is a deficient number, since it is larger than the sum of its proper divisors (38761008724).

51023580716 is a wasteful number, since it uses less digits than its factorization.

51023580716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70474744 (or 70474742 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 51023580716 in words is "fifty-one billion, twenty-three million, five hundred eighty thousand, seven hundred sixteen".

Divisors: 1 2 4 181 362 724 70474559 140949118 281898236 12755895179 25511790358 51023580716