Base | Representation |
---|---|
bin | 110001101010… |
… | …101101110001 |
3 | 220111111002212 |
4 | 301222231301 |
5 | 11313120032 |
6 | 1143021505 |
7 | 215445143 |
oct | 61525561 |
9 | 26444085 |
10 | 13020017 |
11 | 739314a |
12 | 443a895 |
13 | 290b36a |
14 | 1a2cc93 |
15 | 1222bb2 |
hex | c6ab71 |
13020017 has 2 divisors, whose sum is σ = 13020018. Its totient is φ = 13020016.
The previous prime is 13019999. The next prime is 13020037. The reversal of 13020017 is 71002031.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 9024016 + 3996001 = 3004^2 + 1999^2 .
It is a cyclic number.
It is not a de Polignac number, because 13020017 - 26 = 13019953 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 13019983 and 13020010.
It is not a weakly prime, because it can be changed into another prime (13020037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510008 + 6510009.
It is an arithmetic number, because the mean of its divisors is an integer number (6510009).
Almost surely, 213020017 is an apocalyptic number.
It is an amenable number.
13020017 is a deficient number, since it is larger than the sum of its proper divisors (1).
13020017 is an equidigital number, since it uses as much as digits as its factorization.
13020017 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 42, while the sum is 14.
The square root of 13020017 is about 3608.3260661975. The cubic root of 13020017 is about 235.2540906434.
Adding to 13020017 its reverse (71002031), we get a palindrome (84022048).
The spelling of 13020017 in words is "thirteen million, twenty thousand, seventeen".
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