Base | Representation |
---|---|
bin | 100100111110011001… |
… | …0111001111010000001 |
3 | 21120221201222221222002 |
4 | 1021330302321322001 |
5 | 2300104200133442 |
6 | 100251032353345 |
7 | 5510453321165 |
oct | 1117462717201 |
9 | 246851887862 |
10 | 79403130497 |
11 | 30746aa71a9 |
12 | 1347bb45855 |
13 | 76455940b2 |
14 | 3bb37a8ca5 |
15 | 20eadbd732 |
hex | 127ccb9e81 |
79403130497 has 2 divisors, whose sum is σ = 79403130498. Its totient is φ = 79403130496.
The previous prime is 79403130493. The next prime is 79403130553.
79403130497 is nontrivially palindromic in base 10.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 72102453361 + 7300677136 = 268519^2 + 85444^2 .
It is a palprime.
It is a cyclic number.
It is not a de Polignac number, because 79403130497 - 22 = 79403130493 is a prime.
It is a super-2 number, since 2×794031304972 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (79403130491) 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, 39701565248 + 39701565249.
It is an arithmetic number, because the mean of its divisors is an integer number (39701565249).
Almost surely, 279403130497 is an apocalyptic number.
It is an amenable number.
79403130497 is a deficient number, since it is larger than the sum of its proper divisors (1).
79403130497 is an equidigital number, since it uses as much as digits as its factorization.
79403130497 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 571536, while the sum is 47.
The spelling of 79403130497 in words is "seventy-nine billion, four hundred three million, one hundred thirty thousand, four hundred ninety-seven".
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