Base | Representation |
---|---|
bin | 10010110010011… |
… | …100110100001111 |
3 | 210222010120212001 |
4 | 102302130310033 |
5 | 1121143340434 |
6 | 51140053131 |
7 | 10545166342 |
oct | 2262346417 |
9 | 728116761 |
10 | 315215119 |
11 | 151a2686a |
12 | 896941a7 |
13 | 503c732b |
14 | 2dc14459 |
15 | 1ca17114 |
hex | 12c9cd0f |
315215119 has 2 divisors, whose sum is σ = 315215120. Its totient is φ = 315215118.
The previous prime is 315215107. The next prime is 315215129. The reversal of 315215119 is 911512513.
It is a strong prime.
It is an emirp because it is prime and its reverse (911512513) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-315215119 is a prime.
It is a super-2 number, since 2×3152151192 = 198721142492368322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (315215129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157607559 + 157607560.
It is an arithmetic number, because the mean of its divisors is an integer number (157607560).
Almost surely, 2315215119 is an apocalyptic number.
315215119 is a deficient number, since it is larger than the sum of its proper divisors (1).
315215119 is an equidigital number, since it uses as much as digits as its factorization.
315215119 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1350, while the sum is 28.
The square root of 315215119 is about 17754.2986062531. The cubic root of 315215119 is about 680.5640641271.
The spelling of 315215119 in words is "three hundred fifteen million, two hundred fifteen thousand, one hundred nineteen".
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