Base | Representation |
---|---|
bin | 100101001010011100… |
… | …0111100111011111111 |
3 | 21121222220122101212222 |
4 | 1022110320330323333 |
5 | 2301421141301314 |
6 | 100355112515555 |
7 | 5523462305033 |
oct | 1122470747377 |
9 | 247886571788 |
10 | 79807368959 |
11 | 309341a757a |
12 | 135733abbbb |
13 | 76ab25a956 |
14 | 3c113541c3 |
15 | 212161cc8e |
hex | 1294e3ceff |
79807368959 has 2 divisors, whose sum is σ = 79807368960. Its totient is φ = 79807368958.
The previous prime is 79807368947. The next prime is 79807369013. The reversal of 79807368959 is 95986370897.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 79807368959 - 24 = 79807368943 is a prime.
It is a super-2 number, since 2×798073689592 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 79807368892 and 79807368901.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (79807368859) by changing a digit.
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 as a sum of consecutive naturals, namely, 39903684479 + 39903684480.
It is an arithmetic number, because the mean of its divisors is an integer number (39903684480).
Almost surely, 279807368959 is an apocalyptic number.
79807368959 is a deficient number, since it is larger than the sum of its proper divisors (1).
79807368959 is an equidigital number, since it uses as much as digits as its factorization.
79807368959 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 205752960, while the sum is 71.
The spelling of 79807368959 in words is "seventy-nine billion, eight hundred seven million, three hundred sixty-eight thousand, nine hundred fifty-nine".
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