Base | Representation |
---|---|
bin | 10000110100111100… |
… | …011011001010011001 |
3 | 1201122012100211000101 |
4 | 100310330123022121 |
5 | 244000414434223 |
6 | 12144514335401 |
7 | 1206513344161 |
oct | 206474331231 |
9 | 51565324011 |
10 | 18068124313 |
11 | 7731a92248 |
12 | 3602b8a561 |
13 | 191c393425 |
14 | c358c15a1 |
15 | 70b3634ad |
hex | 434f1b299 |
18068124313 has 2 divisors, whose sum is σ = 18068124314. Its totient is φ = 18068124312.
The previous prime is 18068124311. The next prime is 18068124323. The reversal of 18068124313 is 31342186081.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 13410334809 + 4657789504 = 115803^2 + 68248^2 .
It is a cyclic number.
It is not a de Polignac number, because 18068124313 - 21 = 18068124311 is a prime.
Together with 18068124311, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (18068124311) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9034062156 + 9034062157.
It is an arithmetic number, because the mean of its divisors is an integer number (9034062157).
Almost surely, 218068124313 is an apocalyptic number.
It is an amenable number.
18068124313 is a deficient number, since it is larger than the sum of its proper divisors (1).
18068124313 is an equidigital number, since it uses as much as digits as its factorization.
18068124313 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 27648, while the sum is 37.
The spelling of 18068124313 in words is "eighteen billion, sixty-eight million, one hundred twenty-four thousand, three hundred thirteen".
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