Base | Representation |
---|---|
bin | 10100111000100110… |
… | …000101011010010101 |
3 | 2010212210100201022011 |
4 | 110320212011122111 |
5 | 331411113003323 |
6 | 14145051304221 |
7 | 1422460531555 |
oct | 247046053225 |
9 | 63783321264 |
10 | 22424344213 |
11 | 9567a59787 |
12 | 4419a4b071 |
13 | 2164a3813b |
14 | 112a281165 |
15 | 8b3a0020d |
hex | 538985695 |
22424344213 has 2 divisors, whose sum is σ = 22424344214. Its totient is φ = 22424344212.
The previous prime is 22424344193. The next prime is 22424344231. The reversal of 22424344213 is 31244342422.
Together with next prime (22424344231) it forms an Ormiston pair, because they use the same digits, order apart.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22134595729 + 289748484 = 148777^2 + 17022^2 .
It is a cyclic number.
It is not a de Polignac number, because 22424344213 - 29 = 22424343701 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22424341213) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11212172106 + 11212172107.
It is an arithmetic number, because the mean of its divisors is an integer number (11212172107).
Almost surely, 222424344213 is an apocalyptic number.
It is an amenable number.
22424344213 is a deficient number, since it is larger than the sum of its proper divisors (1).
22424344213 is an equidigital number, since it uses as much as digits as its factorization.
22424344213 is an evil number, because the sum of its binary digits is even.
The product of its digits is 36864, while the sum is 31.
Adding to 22424344213 its reverse (31244342422), we get a palindrome (53668686635).
The spelling of 22424344213 in words is "twenty-two billion, four hundred twenty-four million, three hundred forty-four thousand, two hundred thirteen".
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