Base | Representation |
---|---|
bin | 111111111001100… |
… | …100111000001011 |
3 | 2202201021011220221 |
4 | 333321210320023 |
5 | 4143421322432 |
6 | 254213530511 |
7 | 35365225066 |
oct | 7771447013 |
9 | 2681234827 |
10 | 1072057867 |
11 | 50016aa41 |
12 | 25b043a37 |
13 | 14114958a |
14 | a25478dd |
15 | 641b6b97 |
hex | 3fe64e0b |
1072057867 has 2 divisors, whose sum is σ = 1072057868. Its totient is φ = 1072057866.
The previous prime is 1072057817. The next prime is 1072057879. The reversal of 1072057867 is 7687502701.
It is a strong prime.
It is an emirp because it is prime and its reverse (7687502701) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1072057867 - 27 = 1072057739 is a prime.
It is a super-2 number, since 2×10720578672 = 2298616140393179378, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (1072057817) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536028933 + 536028934.
It is an arithmetic number, because the mean of its divisors is an integer number (536028934).
Almost surely, 21072057867 is an apocalyptic number.
1072057867 is a deficient number, since it is larger than the sum of its proper divisors (1).
1072057867 is an equidigital number, since it uses as much as digits as its factorization.
1072057867 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 164640, while the sum is 43.
The square root of 1072057867 is about 32742.2947729691. The cubic root of 1072057867 is about 1023.4644043959.
The spelling of 1072057867 in words is "one billion, seventy-two million, fifty-seven thousand, eight hundred sixty-seven".
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