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80229764738 = 253237792
BaseRepresentation
bin100101010111000010…
…0010000111010000010
321200002100110022222002
41022232010100322002
52303302304432423
6100505042144002
75540111514434
oct1125604207202
9250070408862
1080229764738
11310306797a2
1213670952002
137747910c96
143c514a8654
152148757228
hex12ae110e82

80229764738 has 18 divisors (see below), whose sum is σ = 122690609769. Its totient is φ = 39347582872.

The previous prime is 80229764717. The next prime is 80229764891. The reversal of 80229764738 is 83746792208.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 76102601689 + 4127163049 = 275867^2 + 64243^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=200287.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21228533 + ... + 21232311.

Almost surely, 280229764738 is an apocalyptic number.

80229764738 is a deficient number, since it is larger than the sum of its proper divisors (42460845031).

80229764738 is an frugal number, since it uses more digits than its factorization.

80229764738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7666 (or 3834 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 56.

The spelling of 80229764738 in words is "eighty billion, two hundred twenty-nine million, seven hundred sixty-four thousand, seven hundred thirty-eight".

Divisors: 1 2 53 106 2809 3779 5618 7558 200287 400574 10615211 14280841 21230422 28561682 756884573 1513769146 40114882369 80229764738