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12873931316 = 2217920118941
BaseRepresentation
bin10111111110101100…
…01001101000110100
31020020012120110201222
423333112021220310
5202331211300231
65525245005512
7634012416311
oct137726115064
936205513658
1012873931316
115506aa9164
1225b3553898
1312a223174c
148a1b0dd08
1550534d27b
hex2ff589a34

12873931316 has 24 divisors (see below), whose sum is σ = 22669043040. Its totient is φ = 6397106400.

The previous prime is 12873931229. The next prime is 12873931321. The reversal of 12873931316 is 61313937821.

It is a super-3 number, since 3×128739313163 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1435406 + ... + 1444346.

It is an arithmetic number, because the mean of its divisors is an integer number (944543460).

Almost surely, 212873931316 is an apocalyptic number.

It is an amenable number.

12873931316 is a deficient number, since it is larger than the sum of its proper divisors (9795111724).

12873931316 is a wasteful number, since it uses less digits than its factorization.

12873931316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135 (or 11133 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The spelling of 12873931316 in words is "twelve billion, eight hundred seventy-three million, nine hundred thirty-one thousand, three hundred sixteen".

Divisors: 1 2 4 179 358 716 2011 4022 8044 8941 17882 35764 359969 719938 1439876 1600439 3200878 6401756 17980351 35960702 71921404 3218482829 6436965658 12873931316