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130807515 = 3573311897
BaseRepresentation
bin1111100101111…
…11011011011011
3100010010201011210
413302333123123
5231441320030
620551354203
73145563006
oct762773333
9303121153
10130807515
1167923693
1237982963
132113c1c7
141353053d
15b73cbb0
hex7cbf6db

130807515 has 16 divisors (see below), whose sum is σ = 209595168. Its totient is φ = 69662976.

The previous prime is 130807511. The next prime is 130807519. The reversal of 130807515 is 515708031.

It is an interprime number because it is at equal distance from previous prime (130807511) and next prime (130807519).

It is not a de Polignac number, because 130807515 - 22 = 130807511 is a prime.

It is a super-2 number, since 2×1308075152 = 34221211960950450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (130807511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5047 + ... + 16943.

It is an arithmetic number, because the mean of its divisors is an integer number (13099698).

Almost surely, 2130807515 is an apocalyptic number.

130807515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

130807515 is a deficient number, since it is larger than the sum of its proper divisors (78787653).

130807515 is a wasteful number, since it uses less digits than its factorization.

130807515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12638.

The product of its (nonzero) digits is 4200, while the sum is 30.

The square root of 130807515 is about 11437.1113048706. Note that the first 3 decimals coincide. The cubic root of 130807515 is about 507.6264368255.

The spelling of 130807515 in words is "one hundred thirty million, eight hundred seven thousand, five hundred fifteen".

Divisors: 1 3 5 15 733 2199 3665 10995 11897 35691 59485 178455 8720501 26161503 43602505 130807515