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80602647952 = 2413736771281
BaseRepresentation
bin100101100010001001…
…0101100110110010000
321201001100002202120111
41023010102230312100
52310033234213302
6101010042251104
75552260126501
oct1130422546620
9251040082514
1080602647952
1131202103442
12137557b6a94
1377a6c49a38
143c88c10ba8
15216b3610d7
hex12c44acd90

80602647952 has 20 divisors (see below), whose sum is σ = 157307544396. Its totient is φ = 40007152640.

The previous prime is 80602647899. The next prime is 80602647977. The reversal of 80602647952 is 25974620608.

It can be written as a sum of positive squares in 2 ways, for example, as 34186530816 + 46416117136 = 184896^2 + 215444^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80602647896 and 80602647905.

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, 18383449 + ... + 18387832.

Almost surely, 280602647952 is an apocalyptic number.

It is an amenable number.

80602647952 is a deficient number, since it is larger than the sum of its proper divisors (76704896444).

80602647952 is a wasteful number, since it uses less digits than its factorization.

80602647952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36771426 (or 36771420 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 80602647952 in words is "eighty billion, six hundred two million, six hundred forty-seven thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 16 137 274 548 1096 2192 36771281 73542562 147085124 294170248 588340496 5037665497 10075330994 20150661988 40301323976 80602647952