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79430809373 = 2320171712203
BaseRepresentation
bin100100111111001110…
…0011111011100011101
321121000200002012020122
41021332130133130131
52300133241344443
6100253501524325
75511240511466
oct1117634373435
9247020065218
1079430809373
1130760691803
12134892736a5
13764b235726
143bb7331d6d
1520ed539968
hex127e71f71d

79430809373 has 8 divisors (see below), whose sum is σ = 82925464128. Its totient is φ = 75939583104.

The previous prime is 79430809369. The next prime is 79430809399. The reversal of 79430809373 is 37390803497.

It is a happy number.

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 79430809373 - 22 = 79430809369 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 (79430859373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 809711 + ... + 902492.

It is an arithmetic number, because the mean of its divisors is an integer number (10365683016).

Almost surely, 279430809373 is an apocalyptic number.

It is an amenable number.

79430809373 is a deficient number, since it is larger than the sum of its proper divisors (3494654755).

79430809373 is a wasteful number, since it uses less digits than its factorization.

79430809373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714243.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 79430809373 in words is "seventy-nine billion, four hundred thirty million, eight hundred nine thousand, three hundred seventy-three".

Divisors: 1 23 2017 46391 1712203 39380669 3453513451 79430809373