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130120198 = 2132616311
BaseRepresentation
bin1111100000101…
…11101000000110
3100001211210100121
413300113220012
5231302321243
620524532154
73140001115
oct760275006
9301753317
10130120198
11674a425a
12376b105a
1320c5b400
14133d1c7c
15b6541ed
hex7c17a06

130120198 has 24 divisors (see below), whose sum is σ = 214847856. Its totient is φ = 59061600.

The previous prime is 130120181. The next prime is 130120201. The reversal of 130120198 is 891021031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17463 + ... + 23773.

It is an arithmetic number, because the mean of its divisors is an integer number (8951994).

Almost surely, 2130120198 is an apocalyptic number.

130120198 is a deficient number, since it is larger than the sum of its proper divisors (84727658).

130120198 is a wasteful number, since it uses less digits than its factorization.

130120198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6400 (or 6387 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

The square root of 130120198 is about 11407.0240641457. The cubic root of 130120198 is about 506.7357816803.

The spelling of 130120198 in words is "one hundred thirty million, one hundred twenty thousand, one hundred ninety-eight".

Divisors: 1 2 13 26 61 122 169 338 793 1586 6311 10309 12622 20618 82043 164086 384971 769942 1066559 2133118 5004623 10009246 65060099 130120198