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79120133 = 244132413
BaseRepresentation
bin1001011011101…
…00011100000101
312111212201102022
410231310130011
5130223321013
611503452525
71650336641
oct455643405
9174781368
1079120133
1140730144
12225b7145
1313512a61
14a717c21
156e2d008
hex4b74705

79120133 has 4 divisors (see below), whose sum is σ = 79154988. Its totient is φ = 79085280.

The previous prime is 79120073. The next prime is 79120141. The reversal of 79120133 is 33102197.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40157569 + 38962564 = 6337^2 + 6242^2 .

It is a cyclic number.

It is not a de Polignac number, because 79120133 - 210 = 79119109 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 (79120183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13766 + ... + 18647.

It is an arithmetic number, because the mean of its divisors is an integer number (19788747).

Almost surely, 279120133 is an apocalyptic number.

It is an amenable number.

79120133 is a deficient number, since it is larger than the sum of its proper divisors (34855).

79120133 is a wasteful number, since it uses less digits than its factorization.

79120133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34854.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 79120133 is about 8894.9498593303. The cubic root of 79120133 is about 429.3014310849.

The spelling of 79120133 in words is "seventy-nine million, one hundred twenty thousand, one hundred thirty-three".

Divisors: 1 2441 32413 79120133