Base | Representation |
---|---|
bin | 10110111010000001… |
… | …01000110010011001 |
3 | 1011202001121100020002 |
4 | 23131000220302121 |
5 | 200141223211033 |
6 | 5352145542345 |
7 | 613516065611 |
oct | 133500506231 |
9 | 34661540202 |
10 | 12297866393 |
11 | 524090904a |
12 | 24726449b5 |
13 | 120ca96427 |
14 | 8493d7a41 |
15 | 4be9ac3e8 |
hex | 2dd028c99 |
12297866393 has 2 divisors, whose sum is σ = 12297866394. Its totient is φ = 12297866392.
The previous prime is 12297866309. The next prime is 12297866429. The reversal of 12297866393 is 39366879221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 8063501209 + 4234365184 = 89797^2 + 65072^2 .
It is an emirp because it is prime and its reverse (39366879221) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12297866393 - 232 = 8002899097 is a prime.
It is not a weakly prime, because it can be changed into another prime (12297866303) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6148933196 + 6148933197.
It is an arithmetic number, because the mean of its divisors is an integer number (6148933197).
Almost surely, 212297866393 is an apocalyptic number.
It is an amenable number.
12297866393 is a deficient number, since it is larger than the sum of its proper divisors (1).
12297866393 is an equidigital number, since it uses as much as digits as its factorization.
12297866393 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5878656, while the sum is 56.
The spelling of 12297866393 in words is "twelve billion, two hundred ninety-seven million, eight hundred sixty-six thousand, three hundred ninety-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •