Search a number
-
+
12919675866 = 2314949928961
BaseRepresentation
bin11000000100001001…
…01001101111011010
31020100101122112110120
430002010221233122
5202424414111431
65534001254110
7635106301326
oct140204515732
936311575416
1012919675866
11552a902779
122606934336
1312ab859c26
148a7c1a986
15509387196
hex302129bda

12919675866 has 32 divisors (see below), whose sum is σ = 26065800000. Its totient is φ = 4268935680.

The previous prime is 12919675807. The next prime is 12919675871. The reversal of 12919675866 is 66857691921.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 431626 + ... + 460586.

It is an arithmetic number, because the mean of its divisors is an integer number (814556250).

Almost surely, 212919675866 is an apocalyptic number.

12919675866 is an abundant number, since it is smaller than the sum of its proper divisors (13146124134).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12919675866 is a wasteful number, since it uses less digits than its factorization.

12919675866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29614.

The product of its digits is 9797760, while the sum is 60.

The spelling of 12919675866 in words is "twelve billion, nine hundred nineteen million, six hundred seventy-five thousand, eight hundred sixty-six".

Divisors: 1 2 3 6 149 298 447 499 894 998 1497 2994 28961 57922 74351 86883 148702 173766 223053 446106 4315189 8630378 12945567 14451539 25891134 28903078 43354617 86709234 2153279311 4306558622 6459837933 12919675866