Base | Representation |
---|---|
bin | 10110110001000000… |
… | …00100011011101101 |
3 | 1011112210021002220022 |
4 | 23120200010123231 |
5 | 200012342020023 |
6 | 5340444331525 |
7 | 611610104333 |
oct | 133040043355 |
9 | 34483232808 |
10 | 12222220013 |
11 | 5202140883 |
12 | 2451243ba5 |
13 | 11ca1cb863 |
14 | 83d345b53 |
15 | 4b80187c8 |
hex | 2d88046ed |
12222220013 has 2 divisors, whose sum is σ = 12222220014. Its totient is φ = 12222220012.
The previous prime is 12222219967. The next prime is 12222220019. The reversal of 12222220013 is 31002222221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 7913347849 + 4308872164 = 88957^2 + 65642^2 .
It is a cyclic number.
It is not a de Polignac number, because 12222220013 - 26 = 12222219949 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12222219973 and 12222220000.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12222220019) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111110006 + 6111110007.
It is an arithmetic number, because the mean of its divisors is an integer number (6111110007).
Almost surely, 212222220013 is an apocalyptic number.
It is an amenable number.
12222220013 is a deficient number, since it is larger than the sum of its proper divisors (1).
12222220013 is an equidigital number, since it uses as much as digits as its factorization.
12222220013 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 192, while the sum is 17.
Adding to 12222220013 its reverse (31002222221), we get a palindrome (43224442234).
The spelling of 12222220013 in words is "twelve billion, two hundred twenty-two million, two hundred twenty thousand, thirteen".
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