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130050647 = 413171967
BaseRepresentation
bin1111100000001…
…10101001010111
3100001201020221122
413300012221113
5231243110042
620523234155
73136261256
oct760065127
9301636848
10130050647
1167456a81
123767895b
1320c3585c
14133b479d
15b63d7d2
hex7c06a57

130050647 has 4 divisors (see below), whose sum is σ = 133222656. Its totient is φ = 126878640.

The previous prime is 130050617. The next prime is 130050653. The reversal of 130050647 is 746050031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 746050031 = 4191780549.

It is a cyclic number.

It is not a de Polignac number, because 130050647 - 212 = 130046551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130050617) 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, 1585943 + ... + 1586024.

It is an arithmetic number, because the mean of its divisors is an integer number (33305664).

Almost surely, 2130050647 is an apocalyptic number.

130050647 is a deficient number, since it is larger than the sum of its proper divisors (3172009).

130050647 is an equidigital number, since it uses as much as digits as its factorization.

130050647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3172008.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 130050647 is about 11403.9750525858. The cubic root of 130050647 is about 506.6454798870.

The spelling of 130050647 in words is "one hundred thirty million, fifty thousand, six hundred forty-seven".

Divisors: 1 41 3171967 130050647