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680426676896 = 25205310357201
BaseRepresentation
bin10011110011011001001…
…01110010001010100000
32102001022002211120011012
421321230211302022200
542122003212130041
61240330025040052
7100105415216411
oct11715445621240
92361262746135
10680426676896
1124262713630a
12aba55626028
134c2192b4155
1424d0b969808
1512a75a1e3eb
hex9e6c9722a0

680426676896 has 24 divisors (see below), whose sum is σ = 1340242653204. Its totient is φ = 340047590400.

The previous prime is 680426676869. The next prime is 680426676899. The reversal of 680426676896 is 698676624086.

It can be written as a sum of positive squares in 2 ways, for example, as 680354426896 + 72250000 = 824836^2 + 8500^2 .

It is not an unprimeable number, because it can be changed into a prime (680426676899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5112905 + ... + 5244296.

Almost surely, 2680426676896 is an apocalyptic number.

It is an amenable number.

680426676896 is a deficient number, since it is larger than the sum of its proper divisors (659815976308).

680426676896 is a wasteful number, since it uses less digits than its factorization.

680426676896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359264 (or 10359256 counting only the distinct ones).

The product of its (nonzero) digits is 250822656, while the sum is 68.

The spelling of 680426676896 in words is "six hundred eighty billion, four hundred twenty-six million, six hundred seventy-six thousand, eight hundred ninety-six".

Divisors: 1 2 4 8 16 32 2053 4106 8212 16424 32848 65696 10357201 20714402 41428804 82857608 165715216 331430432 21263333653 42526667306 85053334612 170106669224 340213338448 680426676896