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130120299 = 3231479923
BaseRepresentation
bin1111100000101…
…11101001101011
3100001211210111100
413300113221223
5231302322144
620524532443
73140001321
oct760275153
9301753440
10130120299
11674a4341
12376b1123
1320c5b47a
14133d1d11
15b654269
hex7c17a6b

130120299 has 24 divisors (see below), whose sum is σ = 198162432. Its totient is φ = 82154160.

The previous prime is 130120283. The next prime is 130120301. The reversal of 130120299 is 992021031.

It is not a de Polignac number, because 130120299 - 24 = 130120283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (130120229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8152 + ... + 18074.

It is an arithmetic number, because the mean of its divisors is an integer number (8256768).

Almost surely, 2130120299 is an apocalyptic number.

130120299 is a deficient number, since it is larger than the sum of its proper divisors (68042133).

130120299 is a wasteful number, since it uses less digits than its factorization.

130120299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10007 (or 10004 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 130120299 is about 11407.0284912417. The cubic root of 130120299 is about 506.7359127906.

The spelling of 130120299 in words is "one hundred thirty million, one hundred twenty thousand, two hundred ninety-nine".

Divisors: 1 3 9 31 47 93 141 279 423 1457 4371 9923 13113 29769 89307 307613 466381 922839 1399143 2768517 4197429 14457811 43373433 130120299