Base | Representation |
---|---|
bin | 101110100101… |
… | …000000101111 |
3 | 211222100021111 |
4 | 232211000233 |
5 | 11111211343 |
6 | 1113412451 |
7 | 205533214 |
oct | 56450057 |
9 | 24870244 |
10 | 12210223 |
11 | 698a7a3 |
12 | 410a127 |
13 | 26b68ac |
14 | 189bb0b |
15 | 1112c9d |
hex | ba502f |
12210223 has 2 divisors, whose sum is σ = 12210224. Its totient is φ = 12210222.
The previous prime is 12210221. The next prime is 12210229. The reversal of 12210223 is 32201221.
12210223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 12210223 - 21 = 12210221 is a prime.
Together with 12210221, 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 (12210221) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105111 + 6105112.
It is an arithmetic number, because the mean of its divisors is an integer number (6105112).
Almost surely, 212210223 is an apocalyptic number.
12210223 is a deficient number, since it is larger than the sum of its proper divisors (1).
12210223 is an equidigital number, since it uses as much as digits as its factorization.
12210223 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 48, while the sum is 13.
The square root of 12210223 is about 3494.3129510678. The cubic root of 12210223 is about 230.2720347691.
Adding to 12210223 its reverse (32201221), we get a palindrome (44411444).
It can be divided in two parts, 1221022 and 3, that added together give a square (1221025 = 11052).
The spelling of 12210223 in words is "twelve million, two hundred ten thousand, two hundred twenty-three".
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