Base | Representation |
---|---|
bin | 100100011011011… |
… | …1001100110001001 |
3 | 10011012001212200012 |
4 | 1020312321212021 |
5 | 10000410214431 |
6 | 321143121305 |
7 | 42201546146 |
oct | 11066714611 |
9 | 3135055605 |
10 | 1222351241 |
11 | 577a92641 |
12 | 2a1443235 |
13 | 16631bb77 |
14 | b84ab3cd |
15 | 724a322b |
hex | 48db9989 |
1222351241 has 2 divisors, whose sum is σ = 1222351242. Its totient is φ = 1222351240.
The previous prime is 1222351219. The next prime is 1222351253. The reversal of 1222351241 is 1421532221.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 877877641 + 344473600 = 29629^2 + 18560^2 .
It is a cyclic number.
It is not a de Polignac number, because 1222351241 - 26 = 1222351177 is a prime.
It is not a weakly prime, because it can be changed into another prime (1222353241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611175620 + 611175621.
It is an arithmetic number, because the mean of its divisors is an integer number (611175621).
Almost surely, 21222351241 is an apocalyptic number.
It is an amenable number.
1222351241 is a deficient number, since it is larger than the sum of its proper divisors (1).
1222351241 is an equidigital number, since it uses as much as digits as its factorization.
1222351241 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 960, while the sum is 23.
The square root of 1222351241 is about 34962.1401089807. The cubic root of 1222351241 is about 1069.2157297803.
Adding to 1222351241 its reverse (1421532221), we get a palindrome (2643883462).
The spelling of 1222351241 in words is "one billion, two hundred twenty-two million, three hundred fifty-one thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.376 sec. • engine limits •