Base | Representation |
---|---|
bin | 10010101011100… |
… | …000101111111011 |
3 | 210211201011210101 |
4 | 102223200233323 |
5 | 1120212134334 |
6 | 51033100231 |
7 | 10523552413 |
oct | 2253405773 |
9 | 724634711 |
10 | 313396219 |
11 | 1509a4244 |
12 | 88b57677 |
13 | 4cc0b466 |
14 | 2d89d643 |
15 | 1c7a8214 |
hex | 12ae0bfb |
313396219 has 2 divisors, whose sum is σ = 313396220. Its totient is φ = 313396218.
The previous prime is 313396217. The next prime is 313396273. The reversal of 313396219 is 912693313.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 313396219 - 21 = 313396217 is a prime.
It is a super-2 number, since 2×3133962192 = 196434380166991922, which contains 22 as substring.
Together with 313396217, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (313396217) 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, 156698109 + 156698110.
It is an arithmetic number, because the mean of its divisors is an integer number (156698110).
Almost surely, 2313396219 is an apocalyptic number.
313396219 is a deficient number, since it is larger than the sum of its proper divisors (1).
313396219 is an equidigital number, since it uses as much as digits as its factorization.
313396219 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 26244, while the sum is 37.
The square root of 313396219 is about 17703.0002824380. Note that the first 3 decimals coincide. The cubic root of 313396219 is about 679.2525083480.
The spelling of 313396219 in words is "three hundred thirteen million, three hundred ninety-six thousand, two hundred nineteen".
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