Base | Representation |
---|---|
bin | 1100010110001101111… |
… | …0000001001100100011 |
3 | 202021112011100210222011 |
4 | 3011203132001030203 |
5 | 11433411241223412 |
6 | 241240403053351 |
7 | 21216405021232 |
oct | 3054336011443 |
9 | 667464323864 |
10 | 212122211107 |
11 | 81a62504894 |
12 | 3513b371257 |
13 | 170068a3161 |
14 | a3a4032b19 |
15 | 57b77d57a7 |
hex | 3163781323 |
212122211107 has 2 divisors, whose sum is σ = 212122211108. Its totient is φ = 212122211106.
The previous prime is 212122211083. The next prime is 212122211123. The reversal of 212122211107 is 701112221212.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 212122211107 - 227 = 211987993379 is a prime.
It is not a weakly prime, because it can be changed into another prime (212122211207) 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, 106061105553 + 106061105554.
It is an arithmetic number, because the mean of its divisors is an integer number (106061105554).
Almost surely, 2212122211107 is an apocalyptic number.
212122211107 is a deficient number, since it is larger than the sum of its proper divisors (1).
212122211107 is an equidigital number, since it uses as much as digits as its factorization.
212122211107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 224, while the sum is 22.
Adding to 212122211107 its reverse (701112221212), we get a palindrome (913234432319).
The spelling of 212122211107 in words is "two hundred twelve billion, one hundred twenty-two million, two hundred eleven thousand, one hundred seven".
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