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51890283608 = 2317764349921
BaseRepresentation
bin110000010100111001…
…101110010001011000
311221221022201112020212
4300110321232101120
51322232403033413
635501004510252
73514614063452
oct602471562130
9157838645225
1051890283608
1120008792109
12a081b4b388
134b7c580b37
1427237c92d2
15153a7d3ca8
hexc14e6e458

51890283608 has 32 divisors (see below), whose sum is σ = 103033017360. Its totient is φ = 24415272960.

The previous prime is 51890283563. The next prime is 51890283617. The reversal of 51890283608 is 80638209815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014488 + ... + 1064408.

Almost surely, 251890283608 is an apocalyptic number.

It is an amenable number.

51890283608 is a deficient number, since it is larger than the sum of its proper divisors (51142733752).

51890283608 is a wasteful number, since it uses less digits than its factorization.

51890283608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57587 (or 57583 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 50.

The spelling of 51890283608 in words is "fifty-one billion, eight hundred ninety million, two hundred eighty-three thousand, six hundred eight".

Divisors: 1 2 4 8 17 34 68 136 7643 15286 30572 49921 61144 99842 129931 199684 259862 399368 519724 848657 1039448 1697314 3394628 6789256 381546203 763092406 1526184812 3052369624 6486285451 12972570902 25945141804 51890283608