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79113417838 = 2713434689109
BaseRepresentation
bin100100110101110000…
…1101111010001101110
321120012112212000220121
41021223201233101232
52244011013332323
6100202203035154
75500334645650
oct1115341572156
9246175760817
1079113417838
1130608509854
12133bab0baba
1375ca5588a0
143b871126d0
1520d0742a5d
hex126b86f46e

79113417838 has 16 divisors (see below), whose sum is σ = 146055540960. Its totient is φ = 31297615776.

The previous prime is 79113417829. The next prime is 79113417863. The reversal of 79113417838 is 83871431197.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217344373 + ... + 217344736.

It is an arithmetic number, because the mean of its divisors is an integer number (9128471310).

Almost surely, 279113417838 is an apocalyptic number.

79113417838 is a deficient number, since it is larger than the sum of its proper divisors (66942123122).

79113417838 is a wasteful number, since it uses less digits than its factorization.

79113417838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434689131.

The product of its digits is 1016064, while the sum is 52.

The spelling of 79113417838 in words is "seventy-nine billion, one hundred thirteen million, four hundred seventeen thousand, eight hundred thirty-eight".

Divisors: 1 2 7 13 14 26 91 182 434689109 869378218 3042823763 5650958417 6085647526 11301916834 39556708919 79113417838