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80542718264 = 2312779274329
BaseRepresentation
bin100101100000010111…
…0000101100100111000
321200220011100000111102
41023000232011210320
52304422413441024
6101000101550532
75550631544411
oct1130056054470
9250804300442
1080542718264
11311812a0378
1213739715448
1377976c5a98
143c80c90808
152165e741ae
hex12c0b85938

80542718264 has 16 divisors (see below), whose sum is σ = 152206713600. Its totient is φ = 39954261312.

The previous prime is 80542718257. The next prime is 80542718281. The reversal of 80542718264 is 46281724508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39636149 + ... + 39638180.

It is an arithmetic number, because the mean of its divisors is an integer number (9512919600).

Almost surely, 280542718264 is an apocalyptic number.

It is an amenable number.

80542718264 is a deficient number, since it is larger than the sum of its proper divisors (71663995336).

80542718264 is a wasteful number, since it uses less digits than its factorization.

80542718264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79274462 (or 79274458 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 47.

The spelling of 80542718264 in words is "eighty billion, five hundred forty-two million, seven hundred eighteen thousand, two hundred sixty-four".

Divisors: 1 2 4 8 127 254 508 1016 79274329 158548658 317097316 634194632 10067839783 20135679566 40271359132 80542718264