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130408051 = 891465259
BaseRepresentation
bin1111100010111…
…01111001110011
3100002101102012211
413301131321303
5231341024201
620535032551
73142310254
oct761357163
9302342184
10130408051
1167680554
123780b757
132102c437
1413468b2b
15b6ae651
hex7c5de73

130408051 has 4 divisors (see below), whose sum is σ = 131873400. Its totient is φ = 128942704.

The previous prime is 130408049. The next prime is 130408067. The reversal of 130408051 is 150804031.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130408051 - 21 = 130408049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130408081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732541 + ... + 732718.

It is an arithmetic number, because the mean of its divisors is an integer number (32968350).

Almost surely, 2130408051 is an apocalyptic number.

130408051 is a deficient number, since it is larger than the sum of its proper divisors (1465349).

130408051 is an equidigital number, since it uses as much as digits as its factorization.

130408051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465348.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 130408051 is about 11419.6344512423. The cubic root of 130408051 is about 507.1091748651.

The spelling of 130408051 in words is "one hundred thirty million, four hundred eight thousand, fifty-one".

Divisors: 1 89 1465259 130408051