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568682907839 = 4721491727779
BaseRepresentation
bin10000100011010000010…
…01001000100010111111
32000100212111012221022222
420101220021020202333
533304130311022324
61113125504155555
756041330650224
oct10215011104277
92010774187288
10568682907839
111aa1a4748752
129226a908bbb
134181b754747
141d74ad4994b
15ebd57c955e
hex84682488bf

568682907839 has 12 divisors (see below), whose sum is σ = 584939919000. Its totient is φ = 552847493328.

The previous prime is 568682907811. The next prime is 568682907931. The reversal of 568682907839 is 938709286865.

It is not a de Polignac number, because 568682907839 - 216 = 568682842303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (568682907809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534749 + ... + 1193030.

It is an arithmetic number, because the mean of its divisors is an integer number (48744993250).

Almost surely, 2568682907839 is an apocalyptic number.

568682907839 is a deficient number, since it is larger than the sum of its proper divisors (16257011161).

568682907839 is a wasteful number, since it uses less digits than its factorization.

568682907839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1728022 (or 1727975 counting only the distinct ones).

The product of its (nonzero) digits is 313528320, while the sum is 71.

The spelling of 568682907839 in words is "five hundred sixty-eight billion, six hundred eighty-two million, nine hundred seven thousand, eight hundred thirty-nine".

Divisors: 1 47 149 2209 7003 329141 1727779 81205613 257439071 3816663811 12099636337 568682907839