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130585093 = 159781769
BaseRepresentation
bin1111100100010…
…01001000000101
3100002201102001221
413302021020011
5231412210333
620542520341
73143645362
oct762111005
9302642057
10130585093
1167791571
12378960b1
1321091bb2
14134b3469
15b6e6d2d
hex7c89205

130585093 has 4 divisors (see below), whose sum is σ = 130668460. Its totient is φ = 130501728.

The previous prime is 130585073. The next prime is 130585097. The reversal of 130585093 is 390585031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22071204 + 108513889 = 4698^2 + 10417^2 .

It is a cyclic number.

It is not a de Polignac number, because 130585093 - 221 = 128487941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130585097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39288 + ... + 42481.

It is an arithmetic number, because the mean of its divisors is an integer number (32667115).

Almost surely, 2130585093 is an apocalyptic number.

It is an amenable number.

130585093 is a deficient number, since it is larger than the sum of its proper divisors (83367).

130585093 is an equidigital number, since it uses as much as digits as its factorization.

130585093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83366.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 130585093 is about 11427.3834712939. The cubic root of 130585093 is about 507.3385549383.

The spelling of 130585093 in words is "one hundred thirty million, five hundred eighty-five thousand, ninety-three".

Divisors: 1 1597 81769 130585093