Base | Representation |
---|---|
bin | 1011101000001101… |
… | …1100011011100001 |
3 | 22001112120212001221 |
4 | 2322003130123201 |
5 | 22343043340212 |
6 | 1233423455041 |
7 | 140232005134 |
oct | 27203343341 |
9 | 8045525057 |
10 | 3121465057 |
11 | 1361a92997 |
12 | 731457481 |
13 | 3a9902259 |
14 | 2187c421b |
15 | 134088807 |
hex | ba0dc6e1 |
3121465057 has 2 divisors, whose sum is σ = 3121465058. Its totient is φ = 3121465056.
The previous prime is 3121465031. The next prime is 3121465063. The reversal of 3121465057 is 7505641213.
3121465057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2405313936 + 716151121 = 49044^2 + 26761^2 .
It is a cyclic number.
It is not a de Polignac number, because 3121465057 - 219 = 3120940769 is a prime.
It is not a weakly prime, because it can be changed into another prime (3121465357) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1560732528 + 1560732529.
It is an arithmetic number, because the mean of its divisors is an integer number (1560732529).
Almost surely, 23121465057 is an apocalyptic number.
It is an amenable number.
3121465057 is a deficient number, since it is larger than the sum of its proper divisors (1).
3121465057 is an equidigital number, since it uses as much as digits as its factorization.
3121465057 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 25200, while the sum is 34.
The square root of 3121465057 is about 55870.0729997733. The cubic root of 3121465057 is about 1461.4573951932.
The spelling of 3121465057 in words is "three billion, one hundred twenty-one million, four hundred sixty-five thousand, fifty-seven".
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