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680704372524 = 223115156851307
BaseRepresentation
bin10011110011111010010…
…01000110111100101100
32102002000110100221221110
421321331021012330230
542123040304410044
61240413345032020
7100115326461561
oct11717511067454
92362013327843
10680704372524
11242759966130
12abb12625610
134c2619a29a7
1424d367b4868
1512a900c46b9
hex9e7d246f2c

680704372524 has 24 divisors (see below), whose sum is σ = 1732702039488. Its totient is φ = 206274052240.

The previous prime is 680704372459. The next prime is 680704372541. The reversal of 680704372524 is 425273407086.

It is a super-2 number, since 2×6807043725242 (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2578425522 + ... + 2578425785.

It is an arithmetic number, because the mean of its divisors is an integer number (72195918312).

Almost surely, 2680704372524 is an apocalyptic number.

It is an amenable number.

680704372524 is an abundant number, since it is smaller than the sum of its proper divisors (1051997666964).

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

680704372524 is a wasteful number, since it uses less digits than its factorization.

680704372524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5156851325 (or 5156851323 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 680704372524 in words is "six hundred eighty billion, seven hundred four million, three hundred seventy-two thousand, five hundred twenty-four".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 5156851307 10313702614 15470553921 20627405228 30941107842 56725364377 61882215684 113450728754 170176093131 226901457508 340352186262 680704372524