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80851553205164 = 2272887555471613
BaseRepresentation
bin10010011000100010111000…
…000110111011101110101100
3101121021022222202102221011122
4102120202320012323232230
541044132440110031124
6443542405113040112
723013221601000140
oct2230427006735654
9347238882387148
1080851553205164
1123841a50a96a15
1290996a56b6038
1336163655abb01
1415d7343a3d220
15953203b2975e
hex4988b81bbbac

80851553205164 has 12 divisors (see below), whose sum is σ = 161703106410384. Its totient is φ = 34650665659344.

The previous prime is 80851553205119. The next prime is 80851553205173. The reversal of 80851553205164 is 46150235515808.

80851553205164 is an admirable 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, 1443777735779 + ... + 1443777735834.

It is an arithmetic number, because the mean of its divisors is an integer number (13475258867532).

Almost surely, 280851553205164 is an apocalyptic number.

It is an amenable number.

80851553205164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80851553205164 is a wasteful number, since it uses less digits than its factorization.

80851553205164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887555471624 (or 2887555471622 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 53.

The spelling of 80851553205164 in words is "eighty trillion, eight hundred fifty-one billion, five hundred fifty-three million, two hundred five thousand, one hundred sixty-four".

Divisors: 1 2 4 7 14 28 2887555471613 5775110943226 11550221886452 20212888301291 40425776602582 80851553205164