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130807468 = 22112972897
BaseRepresentation
bin1111100101111…
…11011010101100
3100010010201010001
413302333122230
5231441314333
620551354044
73145562611
oct762773254
9303121101
10130807468
1167923650
1237982924
132113c18c
1413530508
15b73cb7d
hex7cbf6ac

130807468 has 12 divisors (see below), whose sum is σ = 249723432. Its totient is φ = 59457920.

The previous prime is 130807451. The next prime is 130807471. The reversal of 130807468 is 864708031.

It is a happy number.

It is a super-2 number, since 2×1308074682 = 34221187369142048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486405 + ... + 1486492.

It is an arithmetic number, because the mean of its divisors is an integer number (20810286).

Almost surely, 2130807468 is an apocalyptic number.

It is an amenable number.

130807468 is a deficient number, since it is larger than the sum of its proper divisors (118915964).

130807468 is a wasteful number, since it uses less digits than its factorization.

130807468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972912 (or 2972910 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 130807468 is about 11437.1092501558. The cubic root of 130807468 is about 507.6263760276.

The spelling of 130807468 in words is "one hundred thirty million, eight hundred seven thousand, four hundred sixty-eight".

Divisors: 1 2 4 11 22 44 2972897 5945794 11891588 32701867 65403734 130807468