Base | Representation |
---|---|
bin | 1100010110101000010… |
… | …1011111010001100111 |
3 | 202021210220020201012221 |
4 | 3011222011133101213 |
5 | 11434123201034343 |
6 | 241255410253211 |
7 | 21222223421002 |
oct | 3055205372147 |
9 | 667726221187 |
10 | 212233221223 |
11 | 8200a136391 |
12 | 35170587207 |
13 | 170238a020a |
14 | a3b4a8c539 |
15 | 57c24125ed |
hex | 316a15f467 |
212233221223 has 2 divisors, whose sum is σ = 212233221224. Its totient is φ = 212233221222.
The previous prime is 212233221169. The next prime is 212233221251. The reversal of 212233221223 is 322122332212.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-212233221223 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212233221283) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106116610611 + 106116610612.
It is an arithmetic number, because the mean of its divisors is an integer number (106116610612).
Almost surely, 2212233221223 is an apocalyptic number.
212233221223 is a deficient number, since it is larger than the sum of its proper divisors (1).
212233221223 is an equidigital number, since it uses as much as digits as its factorization.
212233221223 is an evil number, because the sum of its binary digits is even.
The product of its digits is 3456, while the sum is 25.
Adding to 212233221223 its reverse (322122332212), we get a palindrome (534355553435).
The spelling of 212233221223 in words is "two hundred twelve billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred twenty-three".
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