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80564128924 = 2239181514051
BaseRepresentation
bin100101100000111111…
…1110000110010011100
321200221122121210101211
41023001333300302130
52304443404111144
6101002144514204
75551311540226
oct1130177606234
9250848553354
1080564128924
1131192394534
121374491b964
13779bc81306
143c83a65416
152167ca3034
hex12c1ff0c9c

80564128924 has 12 divisors (see below), whose sum is σ = 140991098248. Its totient is φ = 40280958000.

The previous prime is 80564128903. The next prime is 80564128933. The reversal of 80564128924 is 42982146508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100302 + ... + 413749.

Almost surely, 280564128924 is an apocalyptic number.

It is an amenable number.

80564128924 is a deficient number, since it is larger than the sum of its proper divisors (60426969324).

80564128924 is a wasteful number, since it uses less digits than its factorization.

80564128924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 553236 (or 553234 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 80564128924 in words is "eighty billion, five hundred sixty-four million, one hundred twenty-eight thousand, nine hundred twenty-four".

Divisors: 1 2 4 39181 78362 156724 514051 1028102 2056204 20141032231 40282064462 80564128924