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12308979166 = 2111732911709
BaseRepresentation
bin10110111011010110…
…00001110111011110
31011202211111221002021
423131223001313132
5200202044313131
65353224050354
7614012411431
oct133553016736
934684457067
1012308979166
115247109260
1224763039ba
131212187633
1484aa8b818
154c0954e11
hex2ddac1dde

12308979166 has 16 divisors (see below), whose sum is σ = 21326788080. Its totient is φ = 5265873280.

The previous prime is 12308979157. The next prime is 12308979167. The reversal of 12308979166 is 66197980321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12308979167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16455481 + ... + 16456228.

It is an arithmetic number, because the mean of its divisors is an integer number (1332924255).

Almost surely, 212308979166 is an apocalyptic number.

12308979166 is a deficient number, since it is larger than the sum of its proper divisors (9017808914).

12308979166 is a wasteful number, since it uses less digits than its factorization.

12308979166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32911739.

The product of its (nonzero) digits is 979776, while the sum is 52.

The spelling of 12308979166 in words is "twelve billion, three hundred eight million, nine hundred seventy-nine thousand, one hundred sixty-six".

Divisors: 1 2 11 17 22 34 187 374 32911709 65823418 362028799 559499053 724057598 1118998106 6154489583 12308979166