Base | Representation |
---|---|
bin | 1101011010111010… |
… | …10101010010000101 |
3 | 200121010200202200121 |
4 | 12231131111102011 |
5 | 104224002140023 |
6 | 3150542341541 |
7 | 343356316135 |
oct | 65535252205 |
9 | 20533622617 |
10 | 7205115013 |
11 | 3068110608 |
12 | 1490b8a8b1 |
13 | 8aa961485 |
14 | 4c4cb0ac5 |
15 | 2c2833d5d |
hex | 1ad755485 |
7205115013 has 2 divisors, whose sum is σ = 7205115014. Its totient is φ = 7205115012.
The previous prime is 7205115011. The next prime is 7205115037. The reversal of 7205115013 is 3105115027.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 7188157089 + 16957924 = 84783^2 + 4118^2 .
It is a cyclic number.
It is not a de Polignac number, because 7205115013 - 21 = 7205115011 is a prime.
Together with 7205115011, it forms a pair of twin primes.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (7205115011) 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, 3602557506 + 3602557507.
It is an arithmetic number, because the mean of its divisors is an integer number (3602557507).
Almost surely, 27205115013 is an apocalyptic number.
It is an amenable number.
7205115013 is a deficient number, since it is larger than the sum of its proper divisors (1).
7205115013 is an equidigital number, since it uses as much as digits as its factorization.
7205115013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1050, while the sum is 25.
The square root of 7205115013 is about 84882.9488943451. The cubic root of 7205115013 is about 1931.4359286326.
The spelling of 7205115013 in words is "seven billion, two hundred five million, one hundred fifteen thousand, thirteen".
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