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12302131210 = 25192317915727
BaseRepresentation
bin10110111010100001…
…11010000000001010
31011202100122000110021
423131100322000022
5200143321144320
65352421211054
7613600250515
oct133520720012
934670560407
1012302131210
115243261296
122473b60a8a
13121092a6a5
14849bc7d7c
154c0050daa
hex2dd43a00a

12302131210 has 64 divisors (see below), whose sum is σ = 24460185600. Its totient is φ = 4433977152.

The previous prime is 12302131159. The next prime is 12302131249. The reversal of 12302131210 is 1213120321.

12302131210 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 774367 + ... + 790093.

It is an arithmetic number, because the mean of its divisors is an integer number (382190400).

Almost surely, 212302131210 is an apocalyptic number.

12302131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12302131210 is a deficient number, since it is larger than the sum of its proper divisors (12158054390).

12302131210 is a wasteful number, since it uses less digits than its factorization.

12302131210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15955.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12302131210 its reverse (1213120321), we get a palindrome (13515251531).

The spelling of 12302131210 in words is "twelve billion, three hundred two million, one hundred thirty-one thousand, two hundred ten".

Divisors: 1 2 5 10 19 23 38 46 95 115 179 190 230 358 437 874 895 1790 2185 3401 4117 4370 6802 8234 15727 17005 20585 31454 34010 41170 78223 78635 156446 157270 298813 361721 391115 597626 723442 782230 1494065 1808605 2815133 2988130 3617210 5630266 6872699 13745398 14075665 28151330 34363495 53487527 64748059 68726990 106975054 129496118 267437635 323740295 534875270 647480590 1230213121 2460426242 6151065605 12302131210