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50557811189 = 1922643117517
BaseRepresentation
bin101111000101011110…
…101111100111110101
311211111110102220201112
4233011132233213311
51312020244424224
635120445204405
73436604206304
oct570536574765
9154443386645
1050557811189
111a494625936
12996b860705
1349c94b6712
14263885443b
1514ad82c30e
hexbc57af9f5

50557811189 has 8 divisors (see below), whose sum is σ = 53221551840. Its totient is φ = 47894350896.

The previous prime is 50557811179. The next prime is 50557811191. The reversal of 50557811189 is 98111875505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50557811189 - 224 = 50541033973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50557811179) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371459 + ... + 488975.

It is an arithmetic number, because the mean of its divisors is an integer number (6652693980).

Almost surely, 250557811189 is an apocalyptic number.

It is an amenable number.

50557811189 is a deficient number, since it is larger than the sum of its proper divisors (2663740651).

50557811189 is a wasteful number, since it uses less digits than its factorization.

50557811189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140179.

The product of its (nonzero) digits is 504000, while the sum is 50.

The spelling of 50557811189 in words is "fifty billion, five hundred fifty-seven million, eight hundred eleven thousand, one hundred eighty-nine".

Divisors: 1 19 22643 117517 430217 2232823 2660937431 50557811189