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50817855136 = 251588057973
BaseRepresentation
bin101111010100111110…
…101110111010100000
311212011120202111221211
4233110332232322200
51313033332331021
635202334555504
73446212433026
oct572476567240
9155146674854
1050817855136
111a608399794
129a22968b94
134a3b334989
1426611c6716
1514c65973e1
hexbd4faeea0

50817855136 has 12 divisors (see below), whose sum is σ = 100047652362. Its totient is φ = 25408927552.

The previous prime is 50817855019. The next prime is 50817855163. The reversal of 50817855136 is 63155871805.

It can be written as a sum of positive squares in only one way, i.e., 33981235600 + 16836619536 = 184340^2 + 129756^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50817855136.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 794028955 + ... + 794029018.

Almost surely, 250817855136 is an apocalyptic number.

It is an amenable number.

50817855136 is a deficient number, since it is larger than the sum of its proper divisors (49229797226).

50817855136 is a wasteful number, since it uses less digits than its factorization.

50817855136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1588057983 (or 1588057975 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 50817855136 in words is "fifty billion, eight hundred seventeen million, eight hundred fifty-five thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 1588057973 3176115946 6352231892 12704463784 25408927568 50817855136