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80571794052 = 22359113801969
BaseRepresentation
bin100101100001001110…
…1000000001010000100
321200222012001012222110
41023002131000022010
52310002334402202
6101003021101020
75551433643441
oct1130235001204
9250865035873
1080571794052
113119674a452
12137473b7770
1377a07361a9
143c84a9c9c8
1521687b926c
hex12c2740284

80571794052 has 24 divisors (see below), whose sum is σ = 191187309600. Its totient is φ = 26402056576.

The previous prime is 80571794029. The next prime is 80571794059. The reversal of 80571794052 is 25049717508.

It is a junction number, because it is equal to n+sod(n) for n = 80571793992 and 80571794010.

It is not an unprimeable number, because it can be changed into a prime (80571794059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56900277 + ... + 56901692.

It is an arithmetic number, because the mean of its divisors is an integer number (7966137900).

Almost surely, 280571794052 is an apocalyptic number.

It is an amenable number.

80571794052 is an abundant number, since it is smaller than the sum of its proper divisors (110615515548).

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

80571794052 is a wasteful number, since it uses less digits than its factorization.

80571794052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113802035 (or 113802033 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 48.

The spelling of 80571794052 in words is "eighty billion, five hundred seventy-one million, seven hundred ninety-four thousand, fifty-two".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 113801969 227603938 341405907 455207876 682811814 1365623628 6714316171 13428632342 20142948513 26857264684 40285897026 80571794052