Base | Representation |
---|---|
bin | 110001100001010… |
… | …100110110000001 |
3 | 2010220100000101111 |
4 | 301201110312001 |
5 | 3200142212323 |
6 | 214235203321 |
7 | 26405564623 |
oct | 6141246601 |
9 | 2126300344 |
10 | 830819713 |
11 | 396a81169 |
12 | 1b22a6541 |
13 | 103183cc9 |
14 | 7c4acc13 |
15 | 4ce13c0d |
hex | 31854d81 |
830819713 has 2 divisors, whose sum is σ = 830819714. Its totient is φ = 830819712.
The previous prime is 830819711. The next prime is 830819761. The reversal of 830819713 is 317918038.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 598927729 + 231891984 = 24473^2 + 15228^2 .
It is a cyclic number.
It is not a de Polignac number, because 830819713 - 21 = 830819711 is a prime.
It is a super-2 number, since 2×8308197132 = 1380522791018804738, which contains 22 as substring.
Together with 830819711, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (830819711) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 415409856 + 415409857.
It is an arithmetic number, because the mean of its divisors is an integer number (415409857).
Almost surely, 2830819713 is an apocalyptic number.
It is an amenable number.
830819713 is a deficient number, since it is larger than the sum of its proper divisors (1).
830819713 is an equidigital number, since it uses as much as digits as its factorization.
830819713 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 36288, while the sum is 40.
The square root of 830819713 is about 28823.9433978073. The cubic root of 830819713 is about 940.0889130473.
The spelling of 830819713 in words is "eight hundred thirty million, eight hundred nineteen thousand, seven hundred thirteen".
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