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80585047817912 = 2311915739179749
BaseRepresentation
bin10010010100101010101011…
…001001100011111010111000
3101120022212002112112112021102
4102110222223021203322320
541030301134220133122
6443220132045430532
722655035415404631
oct2224525311437270
9346285075475242
1080585047817912
1123749a21710a60
129055b0956b448
1335c71a2b467b1
1415c84a1100888
1594b306c8a492
hex494aab263eb8

80585047817912 has 16 divisors (see below), whose sum is σ = 164833052355000. Its totient is φ = 36629567189920.

The previous prime is 80585047817903. The next prime is 80585047817951. The reversal of 80585047817912 is 21971874058508.

It is a congruent 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, 457869589787 + ... + 457869589962.

Almost surely, 280585047817912 is an apocalyptic number.

It is an amenable number.

80585047817912 is an abundant number, since it is smaller than the sum of its proper divisors (84248004537088).

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

80585047817912 is a wasteful number, since it uses less digits than its factorization.

80585047817912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915739179766 (or 915739179762 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 65.

The spelling of 80585047817912 in words is "eighty trillion, five hundred eighty-five billion, forty-seven million, eight hundred seventeen thousand, nine hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 915739179749 1831478359498 3662956718996 7325913437992 10073130977239 20146261954478 40292523908956 80585047817912