Base | Representation |
---|---|
bin | 1110110110101111… |
… | …11100010101101001 |
3 | 202120211020001012022 |
4 | 13123113330111221 |
5 | 112313204012212 |
6 | 3355221354225 |
7 | 401432145434 |
oct | 73327742551 |
9 | 22524201168 |
10 | 7975454057 |
11 | 3422a3274a |
12 | 1666b68975 |
13 | 9a142a7ac |
14 | 55931881b |
15 | 31a29c772 |
hex | 1db5fc569 |
7975454057 has 2 divisors, whose sum is σ = 7975454058. Its totient is φ = 7975454056.
The previous prime is 7975454051. The next prime is 7975454063. The reversal of 7975454057 is 7504545797.
It is a balanced prime because it is at equal distance from previous prime (7975454051) and next prime (7975454063).
It can be written as a sum of positive squares in only one way, i.e., 4668168976 + 3307285081 = 68324^2 + 57509^2 .
It is a cyclic number.
It is not a de Polignac number, because 7975454057 - 212 = 7975449961 is a prime.
It is not a weakly prime, because it can be changed into another prime (7975454051) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3987727028 + 3987727029.
It is an arithmetic number, because the mean of its divisors is an integer number (3987727029).
Almost surely, 27975454057 is an apocalyptic number.
It is an amenable number.
7975454057 is a deficient number, since it is larger than the sum of its proper divisors (1).
7975454057 is an equidigital number, since it uses as much as digits as its factorization.
7975454057 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 6174000, while the sum is 53.
The square root of 7975454057 is about 89305.3976924127. The cubic root of 7975454057 is about 1997.9524091513.
The spelling of 7975454057 in words is "seven billion, nine hundred seventy-five million, four hundred fifty-four thousand, fifty-seven".
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