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79130011 = 312552581
BaseRepresentation
bin1001011011101…
…10110110011011
312111220012222011
410231312312123
5130224130021
611504010351
71650410512
oct455666633
9174805864
1079130011
1140737604
12226009b7
13135173bc
14a71b679
156e30de1
hex4b76d9b

79130011 has 4 divisors (see below), whose sum is σ = 81682624. Its totient is φ = 76577400.

The previous prime is 79129987. The next prime is 79130021. The reversal of 79130011 is 11003197.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-79130011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79130021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276260 + ... + 1276321.

It is an arithmetic number, because the mean of its divisors is an integer number (20420656).

Almost surely, 279130011 is an apocalyptic number.

79130011 is a deficient number, since it is larger than the sum of its proper divisors (2552613).

79130011 is a wasteful number, since it uses less digits than its factorization.

79130011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552612.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 79130011 is about 8895.5051008922. The cubic root of 79130011 is about 429.3192961672.

The spelling of 79130011 in words is "seventy-nine million, one hundred thirty thousand, eleven".

Divisors: 1 31 2552581 79130011