Base | Representation |
---|---|
bin | 110001011110010… |
… | …111011111011011 |
3 | 2010211212121110221 |
4 | 301132113133123 |
5 | 3144442402443 |
6 | 214210420511 |
7 | 26366154466 |
oct | 6136273733 |
9 | 2124777427 |
10 | 830044123 |
11 | 3965a1487 |
12 | 1b1b91737 |
13 | 102c71c8c |
14 | 7c34a2dd |
15 | 4cd0deed |
hex | 317977db |
830044123 has 2 divisors, whose sum is σ = 830044124. Its totient is φ = 830044122.
The previous prime is 830044121. The next prime is 830044151. The reversal of 830044123 is 321440038.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 830044123 - 21 = 830044121 is a prime.
It is a super-2 number, since 2×8300441232 = 1377946492253678258, which contains 22 as substring.
Together with 830044121, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (830044121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415022061 + 415022062.
It is an arithmetic number, because the mean of its divisors is an integer number (415022062).
Almost surely, 2830044123 is an apocalyptic number.
830044123 is a deficient number, since it is larger than the sum of its proper divisors (1).
830044123 is an equidigital number, since it uses as much as digits as its factorization.
830044123 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2304, while the sum is 25.
The square root of 830044123 is about 28810.4863374432. The cubic root of 830044123 is about 939.7962901709.
The spelling of 830044123 in words is "eight hundred thirty million, forty-four thousand, one hundred twenty-three".
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