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130666499 = 379713637
BaseRepresentation
bin1111100100111…
…01000000000011
3100002212112201222
413302131000003
5231422311444
620544345255
73144434615
oct762350003
9302775658
10130666499
1167837747
123791522b
13210bcc72
14134d4db5
15b710eee
hex7c9d003

130666499 has 8 divisors (see below), whose sum is σ = 134373168. Its totient is φ = 126969120.

The previous prime is 130666493. The next prime is 130666513. The reversal of 130666499 is 994666031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130666499 - 216 = 130600963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130666493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34109 + ... + 37745.

It is an arithmetic number, because the mean of its divisors is an integer number (16796646).

Almost surely, 2130666499 is an apocalyptic number.

130666499 is a deficient number, since it is larger than the sum of its proper divisors (3706669).

130666499 is an equidigital number, since it uses as much as digits as its factorization.

130666499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 130666499 is about 11430.9447990969. The cubic root of 130666499 is about 507.4439570233.

The spelling of 130666499 in words is "one hundred thirty million, six hundred sixty-six thousand, four hundred ninety-nine".

Divisors: 1 37 971 3637 35927 134569 3531527 130666499