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130855280493 = 3712983479951
BaseRepresentation
bin111100111011110010…
…1010001111101101101
3110111202112021222220010
41321313211101331231
54120442422433433
6140040350443433
712311500350330
oct1716745217555
9414675258803
10130855280493
115054a438013
122143b203579
13c455141472
146494d04617
15360cea9e63
hex1e77951f6d

130855280493 has 16 divisors (see below), whose sum is σ = 199414296576. Its totient is φ = 74768530800.

The previous prime is 130855280477. The next prime is 130855280509. The reversal of 130855280493 is 394082558031.

It is an interprime number because it is at equal distance from previous prime (130855280477) and next prime (130855280509).

It is not a de Polignac number, because 130855280493 - 24 = 130855280477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130855280393) 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, 32668 + ... + 512618.

It is an arithmetic number, because the mean of its divisors is an integer number (12463393536).

Almost surely, 2130855280493 is an apocalyptic number.

It is an amenable number.

130855280493 is a deficient number, since it is larger than the sum of its proper divisors (68559016083).

130855280493 is a wasteful number, since it uses less digits than its factorization.

130855280493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492944.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 130855280493 in words is "one hundred thirty billion, eight hundred fifty-five million, two hundred eighty thousand, four hundred ninety-three".

Divisors: 1 3 7 21 12983 38949 90881 272643 479951 1439853 3359657 10078971 6231203833 18693611499 43618426831 130855280493