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130807558 = 2721334771
BaseRepresentation
bin1111100101111…
…11011100000110
3100010010201020101
413302333130012
5231441320213
620551354314
73145563100
oct762773406
9303121211
10130807558
1167923722
123798299a
132113c22b
1413530570
15b73cbdd
hex7cbf706

130807558 has 12 divisors (see below), whose sum is σ = 228246012. Its totient is φ = 56060340.

The previous prime is 130807553. The next prime is 130807577. The reversal of 130807558 is 855708031.

It is a super-2 number, since 2×1308075582 = 34221234459846728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130807553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667288 + ... + 667483.

It is an arithmetic number, because the mean of its divisors is an integer number (19020501).

Almost surely, 2130807558 is an apocalyptic number.

130807558 is a deficient number, since it is larger than the sum of its proper divisors (97438454).

130807558 is a wasteful number, since it uses less digits than its factorization.

130807558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1334787 (or 1334780 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 37.

The square root of 130807558 is about 11437.1131847158. The cubic root of 130807558 is about 507.6264924490.

The spelling of 130807558 in words is "one hundred thirty million, eight hundred seven thousand, five hundred fifty-eight".

Divisors: 1 2 7 14 49 98 1334771 2669542 9343397 18686794 65403779 130807558