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93979137020 = 2254698956851
BaseRepresentation
bin101011110000110010…
…1111101001111111100
322222120120022210221112
41113201211331033330
53014432124341040
6111101243021152
76534614325056
oct1274145751774
9288516283845
1093979137020
113694685568a
121626950a7b8
138b2931a822
1447975808d6
1526a0880365
hex15e197d3fc

93979137020 has 12 divisors (see below), whose sum is σ = 197356187784. Its totient is φ = 37591654800.

The previous prime is 93979137017. The next prime is 93979137079. The reversal of 93979137020 is 2073197939.

It is a self number, because there is not a number n which added to its sum of digits gives 93979137020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2349478406 + ... + 2349478445.

It is an arithmetic number, because the mean of its divisors is an integer number (16446348982).

Almost surely, 293979137020 is an apocalyptic number.

It is an amenable number.

93979137020 is an abundant number, since it is smaller than the sum of its proper divisors (103377050764).

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

93979137020 is a wasteful number, since it uses less digits than its factorization.

93979137020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4698956860 (or 4698956858 counting only the distinct ones).

The product of its (nonzero) digits is 642978, while the sum is 50.

The spelling of 93979137020 in words is "ninety-three billion, nine hundred seventy-nine million, one hundred thirty-seven thousand, twenty".

Divisors: 1 2 4 5 10 20 4698956851 9397913702 18795827404 23494784255 46989568510 93979137020