Base | Representation |
---|---|
bin | 10100100110100101… |
… | …001101100000111001 |
3 | 2010002201200101222122 |
4 | 110212211031200321 |
5 | 330301231002434 |
6 | 14055053531025 |
7 | 1412130651221 |
oct | 244645154071 |
9 | 63081611878 |
10 | 22122125369 |
11 | 94223aa243 |
12 | 43547a3a75 |
13 | 2117241416 |
14 | 10dc091081 |
15 | 897203c2e |
hex | 52694d839 |
22122125369 has 2 divisors, whose sum is σ = 22122125370. Its totient is φ = 22122125368.
The previous prime is 22122125339. The next prime is 22122125371. The reversal of 22122125369 is 96352122122.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 21796683769 + 325441600 = 147637^2 + 18040^2 .
It is a cyclic number.
It is not a de Polignac number, because 22122125369 - 220 = 22121076793 is a prime.
It is a super-2 number, since 2×221221253692 (a number of 21 digits) contains 22 as substring.
Together with 22122125371, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (22122125339) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061062684 + 11061062685.
It is an arithmetic number, because the mean of its divisors is an integer number (11061062685).
Almost surely, 222122125369 is an apocalyptic number.
It is an amenable number.
22122125369 is a deficient number, since it is larger than the sum of its proper divisors (1).
22122125369 is an equidigital number, since it uses as much as digits as its factorization.
22122125369 is an evil number, because the sum of its binary digits is even.
The product of its digits is 25920, while the sum is 35.
The spelling of 22122125369 in words is "twenty-two billion, one hundred twenty-two million, one hundred twenty-five thousand, three hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •