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80890062920 = 2352022251573
BaseRepresentation
bin100101101010101101…
…1000110100001001000
321201210100220221210022
41023111123012201020
52311130324003140
6101054350440012
75562350122142
oct1132533064110
9251710827708
1080890062920
113133a371577
1213815b03008
13782165c474
143cb5069c92
1521866d60b5
hex12d56c6848

80890062920 has 16 divisors (see below), whose sum is σ = 182002641660. Its totient is φ = 32356025152.

The previous prime is 80890062901. The next prime is 80890062941. The reversal of 80890062920 is 2926009808.

It can be written as a sum of positive squares in 2 ways, for example, as 77888995396 + 3001067524 = 279086^2 + 54782^2 .

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, 1011125747 + ... + 1011125826.

Almost surely, 280890062920 is an apocalyptic number.

It is an amenable number.

80890062920 is an abundant number, since it is smaller than the sum of its proper divisors (101112578740).

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

80890062920 is a wasteful number, since it uses less digits than its factorization.

80890062920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022251584 (or 2022251580 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 80890062920 in words is "eighty billion, eight hundred ninety million, sixty-two thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 2022251573 4044503146 8089006292 10111257865 16178012584 20222515730 40445031460 80890062920