Search a number
-
+
80524120928 = 2523313529283
BaseRepresentation
bin100101011111110011…
…1001001001101100000
321200211212100011202012
41022333213021031200
52304403133332203
6100554155212052
75550314506646
oct1127747111540
9250755304665
1080524120928
1131171848979
1213733447028
1377938b3c44
143c7c60d196
1521644edbd8
hex12bf9c9360

80524120928 has 48 divisors (see below), whose sum is σ = 170760877056. Its totient is φ = 37269217920.

The previous prime is 80524120907. The next prime is 80524120939. The reversal of 80524120928 is 82902142508.

It is a happy number.

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, 1741826 + ... + 1787457.

It is an arithmetic number, because the mean of its divisors is an integer number (3557518272).

Almost surely, 280524120928 is an apocalyptic number.

It is an amenable number.

80524120928 is an abundant number, since it is smaller than the sum of its proper divisors (90236756128).

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

80524120928 is a wasteful number, since it uses less digits than its factorization.

80524120928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3529347 (or 3529339 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 80524120928 in words is "eighty billion, five hundred twenty-four million, one hundred twenty thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 23 31 32 46 62 92 124 184 248 368 496 713 736 992 1426 2852 5704 11408 22816 3529283 7058566 14117132 28234264 56468528 81173509 109407773 112937056 162347018 218815546 324694036 437631092 649388072 875262184 1298776144 1750524368 2516378779 2597552288 3501048736 5032757558 10065515116 20131030232 40262060464 80524120928