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80546864608 = 2573191112687
BaseRepresentation
bin100101100000011110…
…1111001110111100000
321200220110010200012201
41023000331321313200
52304424444131413
6101000330502544
75551012024030
oct1130075716740
9250813120181
1080546864608
1131183672601
121373ab94a54
137798518142
143c8164d8c0
1521664e29dd
hex12c0f79de0

80546864608 has 48 divisors (see below), whose sum is σ = 181288848384. Its totient is φ = 34508960640.

The previous prime is 80546864561. The next prime is 80546864623. The reversal of 80546864608 is 80646864508.

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 7 ways as a sum of consecutive naturals, for example, 658441 + ... + 771127.

It is an arithmetic number, because the mean of its divisors is an integer number (3776851008).

Almost surely, 280546864608 is an apocalyptic number.

It is an amenable number.

80546864608 is an abundant number, since it is smaller than the sum of its proper divisors (100741983776).

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

80546864608 is a wasteful number, since it uses less digits than its factorization.

80546864608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115895 (or 115887 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 55.

The spelling of 80546864608 in words is "eighty billion, five hundred forty-six million, eight hundred sixty-four thousand, six hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 112 224 3191 6382 12764 22337 25528 44674 51056 89348 102112 112687 178696 225374 357392 450748 714784 788809 901496 1577618 1802992 3155236 3605984 6310472 12620944 25241888 359584217 719168434 1438336868 2517089519 2876673736 5034179038 5753347472 10068358076 11506694944 20136716152 40273432304 80546864608