Base | Representation |
---|---|
bin | 10011110001001… |
… | …01110111011011 |
3 | 102120001001010211 |
4 | 21320211313123 |
5 | 314423030412 |
6 | 24242151551 |
7 | 4052350462 |
oct | 1170456733 |
9 | 376031124 |
10 | 165830107 |
11 | 85674683 |
12 | 476525b7 |
13 | 28482331 |
14 | 180499d9 |
15 | e859ca7 |
hex | 9e25ddb |
165830107 has 2 divisors, whose sum is σ = 165830108. Its totient is φ = 165830106.
The previous prime is 165830029. The next prime is 165830131. The reversal of 165830107 is 701038561.
It is a strong prime.
It is an emirp because it is prime and its reverse (701038561) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 165830107 - 211 = 165828059 is a prime.
It is a Chen prime.
It is an alternating number because its digits alternate between odd and even.
It is not a weakly prime, because it can be changed into another prime (165830177) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82915053 + 82915054.
It is an arithmetic number, because the mean of its divisors is an integer number (82915054).
Almost surely, 2165830107 is an apocalyptic number.
165830107 is a deficient number, since it is larger than the sum of its proper divisors (1).
165830107 is an equidigital number, since it uses as much as digits as its factorization.
165830107 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 5040, while the sum is 31.
The square root of 165830107 is about 12877.5039118612. The cubic root of 165830107 is about 549.3989102562.
Adding to 165830107 its reverse (701038561), we get a palindrome (866868668).
The spelling of 165830107 in words is "one hundred sixty-five million, eight hundred thirty thousand, one hundred seven".
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