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79996723159 is a prime number
BaseRepresentation
bin100101010000000101…
…1010001111111010111
321122111002221121000111
41022200023101333113
52302313130120114
6100425555223451
75531251633063
oct1124013217727
9248432847014
1079996723159
1130a21079151
12136068a7b87
13770b558462
143c2c564aa3
152133072bc4
hex12a02d1fd7

79996723159 has 2 divisors, whose sum is σ = 79996723160. Its totient is φ = 79996723158.

The previous prime is 79996723127. The next prime is 79996723211. The reversal of 79996723159 is 95132769997.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79996723159 - 25 = 79996723127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79996723094 and 79996723103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79996723759) 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 as a sum of consecutive naturals, namely, 39998361579 + 39998361580.

It is an arithmetic number, because the mean of its divisors is an integer number (39998361580).

Almost surely, 279996723159 is an apocalyptic number.

79996723159 is a deficient number, since it is larger than the sum of its proper divisors (1).

79996723159 is an equidigital number, since it uses as much as digits as its factorization.

79996723159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 57868020, while the sum is 67.

The spelling of 79996723159 in words is "seventy-nine billion, nine hundred ninety-six million, seven hundred twenty-three thousand, one hundred fifty-nine".