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6839689566368 = 25213740298949
BaseRepresentation
bin110001110000111110101…
…0001000101100010100000
3220012212102201121011111102
41203201331101011202200
51344030141012110433
622314035432333532
71304102612030531
oct143417521054240
926185381534442
106839689566368
1121a77724a486a
129256b22442a8
133a7c97c79b89
141990853d4688
15bcdb18914e8
hex6387d4458a0

6839689566368 has 12 divisors (see below), whose sum is σ = 13465638833850. Its totient is φ = 3419844783168.

The previous prime is 6839689566337. The next prime is 6839689566371. The reversal of 6839689566368 is 8636659869386.

It can be written as a sum of positive squares in only one way, i.e., 4235248752784 + 2604440813584 = 2057972^2 + 1613828^2 .

It is a super-2 number, since 2×68396895663682 (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106870149443 + ... + 106870149506.

Almost surely, 26839689566368 is an apocalyptic number.

It is an amenable number.

6839689566368 is a deficient number, since it is larger than the sum of its proper divisors (6625949267482).

6839689566368 is a wasteful number, since it uses less digits than its factorization.

6839689566368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213740298959 (or 213740298951 counting only the distinct ones).

The product of its digits is 14511882240, while the sum is 83.

The spelling of 6839689566368 in words is "six trillion, eight hundred thirty-nine billion, six hundred eighty-nine million, five hundred sixty-six thousand, three hundred sixty-eight".

Divisors: 1 2 4 8 16 32 213740298949 427480597898 854961195796 1709922391592 3419844783184 6839689566368