Base | Representation |
---|---|
bin | 110000010000000110000010… |
… | …100110000000101000100101 |
3 | 1000211101021212012010211111221 |
4 | 300100012002212000220211 |
5 | 210303341121403131323 |
6 | 2031200541435500341 |
7 | 62461553614555405 |
oct | 6020060246005045 |
9 | 1024337765124457 |
10 | 212212230130213 |
11 | 61687779602185 |
12 | 1b97419a5b76b1 |
13 | 91546b1a08a71 |
14 | 3a591abac8805 |
15 | 19801d8eb155d |
hex | c10182980a25 |
212212230130213 has 2 divisors, whose sum is σ = 212212230130214. Its totient is φ = 212212230130212.
The previous prime is 212212230130211. The next prime is 212212230130223. The reversal of 212212230130213 is 312031032212212.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 165840256898404 + 46371973231809 = 12877898^2 + 6809697^2 .
It is a cyclic number.
It is not a de Polignac number, because 212212230130213 - 21 = 212212230130211 is a prime.
Together with 212212230130211, 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 (212212230130211) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106106115065106 + 106106115065107.
It is an arithmetic number, because the mean of its divisors is an integer number (106106115065107).
Almost surely, 2212212230130213 is an apocalyptic number.
It is an amenable number.
212212230130213 is a deficient number, since it is larger than the sum of its proper divisors (1).
212212230130213 is an equidigital number, since it uses as much as digits as its factorization.
212212230130213 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1728, while the sum is 25.
Adding to 212212230130213 its reverse (312031032212212), we get a palindrome (524243262342425).
The spelling of 212212230130213 in words is "two hundred twelve trillion, two hundred twelve billion, two hundred thirty million, one hundred thirty thousand, two hundred thirteen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •