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50569890868 = 2272828363857
BaseRepresentation
bin101111000110001100…
…110100110000110100
311211112022011121221001
4233012030310300310
51312031343001433
635122000133044
73440111660110
oct570614646064
9154468147831
1050569890868
111a4a0426542
129973907184
1349cbb55a63
14263a2ba740
1514ae91657d
hexbc6334c34

50569890868 has 24 divisors (see below), whose sum is σ = 101144941632. Its totient is φ = 21671704704.

The previous prime is 50569890851. The next prime is 50569890881. The reversal of 50569890868 is 86809896505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759996 + ... + 823852.

It is an arithmetic number, because the mean of its divisors is an integer number (4214372568).

Almost surely, 250569890868 is an apocalyptic number.

It is an amenable number.

50569890868 is an abundant number, since it is smaller than the sum of its proper divisors (50575050764).

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

50569890868 is a wasteful number, since it uses less digits than its factorization.

50569890868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92151 (or 92149 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 64.

The spelling of 50569890868 in words is "fifty billion, five hundred sixty-nine million, eight hundred ninety thousand, eight hundred sixty-eight".

Divisors: 1 2 4 7 14 28 28283 56566 63857 113132 127714 197981 255428 395962 446999 791924 893998 1787996 1806067531 3612135062 7224270124 12642472717 25284945434 50569890868