Base | Representation |
---|---|
bin | 1110101110110100… |
… | …11110001011011001 |
3 | 202102012012020110112 |
4 | 13113122132023121 |
5 | 112144201224324 |
6 | 3344445254105 |
7 | 366664313423 |
oct | 72732361331 |
9 | 22365166415 |
10 | 7909008089 |
11 | 3399479924 |
12 | 1648864335 |
13 | 990734858 |
14 | 55057d813 |
15 | 314524c0e |
hex | 1d769e2d9 |
7909008089 has 2 divisors, whose sum is σ = 7909008090. Its totient is φ = 7909008088.
The previous prime is 7909008047. The next prime is 7909008097. The reversal of 7909008089 is 9808009097.
7909008089 is digitally balanced in base 3, 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., 6635731600 + 1273276489 = 81460^2 + 35683^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7909008089 is a prime.
It is not a weakly prime, because it can be changed into another prime (7909028089) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3954504044 + 3954504045.
It is an arithmetic number, because the mean of its divisors is an integer number (3954504045).
Almost surely, 27909008089 is an apocalyptic number.
It is an amenable number.
7909008089 is a deficient number, since it is larger than the sum of its proper divisors (1).
7909008089 is an equidigital number, since it uses as much as digits as its factorization.
7909008089 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 326592, while the sum is 50.
The square root of 7909008089 is about 88932.6041955367. The cubic root of 7909008089 is about 1992.3884093428.
The spelling of 7909008089 in words is "seven billion, nine hundred nine million, eight thousand, eighty-nine".
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