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79311664796 = 227213233779463
BaseRepresentation
bin100100111011101010…
…1111111011010011100
321120201100220000121112
41021313111333122130
52244412241233141
6100234004121152
75505263012300
oct1116725773234
9246640800545
1079311664796
11306aa404711
12134553961b8
13762c64ac90
143ba5599d00
1520e2d527eb
hex127757f69c

79311664796 has 288 divisors, whose sum is σ = 189105315840. Its totient is φ = 28768836096.

The previous prime is 79311664781. The next prime is 79311664807. The reversal of 79311664796 is 69746611397.

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 171299261 + ... + 171299723.

It is an arithmetic number, because the mean of its divisors is an integer number (656615680).

Almost surely, 279311664796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79311664796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94552657920).

79311664796 is an abundant number, since it is smaller than the sum of its proper divisors (109793651044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79311664796 is a wasteful number, since it uses less digits than its factorization.

79311664796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633 (or 624 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 59.

The spelling of 79311664796 in words is "seventy-nine billion, three hundred eleven million, six hundred sixty-four thousand, seven hundred ninety-six".