Base | Representation |
---|---|
bin | 1011101000001000… |
… | …1101101010101001 |
3 | 22001111222110112012 |
4 | 2322002031222221 |
5 | 22343003024231 |
6 | 1233412525305 |
7 | 140226162434 |
oct | 27202155251 |
9 | 8044873465 |
10 | 3121142441 |
11 | 136189256a |
12 | 731320835 |
13 | 3a981b461 |
14 | 21873c81b |
15 | 134022e2b |
hex | ba08daa9 |
3121142441 has 2 divisors, whose sum is σ = 3121142442. Its totient is φ = 3121142440.
The previous prime is 3121142417. The next prime is 3121142449. The reversal of 3121142441 is 1442411213.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2788262416 + 332880025 = 52804^2 + 18245^2 .
It is a cyclic number.
It is not a de Polignac number, because 3121142441 - 218 = 3120880297 is a prime.
It is a super-2 number, since 2×31211424412 = 19483060274022876962, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (3121142449) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560571220 + 1560571221.
It is an arithmetic number, because the mean of its divisors is an integer number (1560571221).
Almost surely, 23121142441 is an apocalyptic number.
It is an amenable number.
3121142441 is a deficient number, since it is larger than the sum of its proper divisors (1).
3121142441 is an equidigital number, since it uses as much as digits as its factorization.
3121142441 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 768, while the sum is 23.
The square root of 3121142441 is about 55867.1857265068. The cubic root of 3121142441 is about 1461.4070442869.
Adding to 3121142441 its reverse (1442411213), we get a palindrome (4563553654).
The spelling of 3121142441 in words is "three billion, one hundred twenty-one million, one hundred forty-two thousand, four hundred forty-one".
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