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685950682676 = 227219919175699
BaseRepresentation
bin10011111101101011101…
…10001100011000110100
32102120120002020010111212
421332311312030120310
542214311333321201
61243042115420552
7100362332412500
oct11766566143064
92376502203455
10685950682676
11244a01306646
12b0b375b4758
134c8b988161c
14252b3471300
1512c9a981abb
hex9fb5d8c634

685950682676 has 36 divisors (see below), whose sum is σ = 1396477656000. Its totient is φ = 293962432176.

The previous prime is 685950682657. The next prime is 685950682723. The reversal of 685950682676 is 676286059586.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3816275 + ... + 3991973.

It is an arithmetic number, because the mean of its divisors is an integer number (38791046000).

Almost surely, 2685950682676 is an apocalyptic number.

It is an amenable number.

685950682676 is an abundant number, since it is smaller than the sum of its proper divisors (710526973324).

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

685950682676 is a wasteful number, since it uses less digits than its factorization.

685950682676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195636 (or 195627 counting only the distinct ones).

The product of its (nonzero) digits is 261273600, while the sum is 68.

The spelling of 685950682676 in words is "six hundred eighty-five billion, nine hundred fifty million, six hundred eighty-two thousand, six hundred seventy-six".

Divisors: 1 2 4 7 14 28 49 98 196 19919 39838 79676 139433 175699 278866 351398 557732 702796 976031 1229893 1952062 2459786 3904124 4919572 8609251 17218502 34437004 3499748381 6999496762 13998993524 24498238667 48996477334 97992954668 171487670669 342975341338 685950682676