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79104994619 = 718061625697
BaseRepresentation
bin100100110101100000…
…1100110110100111011
321120011222000002102112
41021223001212310323
52244001334311434
6100201302322535
75500203234320
oct1115301466473
9246158002375
1079104994619
1130603786312
12133b812944b
1375c8899931
143b85d5cb47
1520ceb2bdce
hex126b066d3b

79104994619 has 8 divisors (see below), whose sum is σ = 90410858208. Its totient is φ = 67800418560.

The previous prime is 79104994607. The next prime is 79104994621. The reversal of 79104994619 is 91649940197.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79104994619 - 24 = 79104994603 is a prime.

It is a super-2 number, since 2×791049946192 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79104994699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186422 + ... + 439275.

It is an arithmetic number, because the mean of its divisors is an integer number (11301357276).

Almost surely, 279104994619 is an apocalyptic number.

79104994619 is a deficient number, since it is larger than the sum of its proper divisors (11305863589).

79104994619 is a wasteful number, since it uses less digits than its factorization.

79104994619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643765.

The product of its (nonzero) digits is 4408992, while the sum is 59.

The spelling of 79104994619 in words is "seventy-nine billion, one hundred four million, nine hundred ninety-four thousand, six hundred nineteen".

Divisors: 1 7 18061 126427 625697 4379879 11300713517 79104994619