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12839112182 = 213237985539
BaseRepresentation
bin10111111010100010…
…10100110111110110
31020010210001110212102
423331101110313312
5202243303042212
65522002422102
7633110436641
oct137521246766
936123043772
1012839112182
115499387016
1225a3961932
131297c60100
1489b248a58
155022715c2
hex2fd454df6

12839112182 has 12 divisors (see below), whose sum is σ = 20854061460. Its totient is φ = 5925743928.

The previous prime is 12839112161. The next prime is 12839112211. The reversal of 12839112182 is 28121193821.

It is a super-2 number, since 2×128391121822 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18992432 + ... + 18993107.

It is an arithmetic number, because the mean of its divisors is an integer number (1737838455).

Almost surely, 212839112182 is an apocalyptic number.

12839112182 is a deficient number, since it is larger than the sum of its proper divisors (8014949278).

12839112182 is a wasteful number, since it uses less digits than its factorization.

12839112182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37985567 (or 37985554 counting only the distinct ones).

The product of its digits is 13824, while the sum is 38.

The spelling of 12839112182 in words is "twelve billion, eight hundred thirty-nine million, one hundred twelve thousand, one hundred eighty-two".

Divisors: 1 2 13 26 169 338 37985539 75971078 493812007 987624014 6419556091 12839112182