Base | Representation |
---|---|
bin | 100101001111001000… |
… | …0001001101110011111 |
3 | 21122101212012201112022 |
4 | 1022132100021232133 |
5 | 2302231344224344 |
6 | 100422443330355 |
7 | 5530410400313 |
oct | 1123620115637 |
9 | 248355181468 |
10 | 79964445599 |
11 | 30a04932585 |
12 | 135b7b209bb |
13 | 77049668cc |
14 | 3c28161b43 |
15 | 21302e90ee |
hex | 129e409b9f |
79964445599 has 2 divisors, whose sum is σ = 79964445600. Its totient is φ = 79964445598.
The previous prime is 79964445581. The next prime is 79964445619. The reversal of 79964445599 is 99554446997.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-79964445599 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (79964445199) 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, 39982222799 + 39982222800.
It is an arithmetic number, because the mean of its divisors is an integer number (39982222800).
Almost surely, 279964445599 is an apocalyptic number.
79964445599 is a deficient number, since it is larger than the sum of its proper divisors (1).
79964445599 is an equidigital number, since it uses as much as digits as its factorization.
79964445599 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 440899200, while the sum is 71.
The spelling of 79964445599 in words is "seventy-nine billion, nine hundred sixty-four million, four hundred forty-five thousand, five hundred ninety-nine".
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