Base | Representation |
---|---|
bin | 1001001011000001000… |
… | …10000001001000100111 |
3 | 1010010110111100122020102 |
4 | 10211200202001020213 |
5 | 20130412422033022 |
6 | 400440124054315 |
7 | 31524523005131 |
oct | 4454042011047 |
9 | 1103414318212 |
10 | 315152142887 |
11 | 11172319453a |
12 | 510b399439b |
13 | 2394604702a |
14 | 1137964c051 |
15 | 82e7a27a92 |
hex | 4960881227 |
315152142887 has 2 divisors, whose sum is σ = 315152142888. Its totient is φ = 315152142886.
The previous prime is 315152142883. The next prime is 315152142889. The reversal of 315152142887 is 788241251513.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 315152142887 - 22 = 315152142883 is a prime.
Together with 315152142889, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (315152142881) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157576071443 + 157576071444.
It is an arithmetic number, because the mean of its divisors is an integer number (157576071444).
Almost surely, 2315152142887 is an apocalyptic number.
315152142887 is a deficient number, since it is larger than the sum of its proper divisors (1).
315152142887 is an equidigital number, since it uses as much as digits as its factorization.
315152142887 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 537600, while the sum is 47.
The spelling of 315152142887 in words is "three hundred fifteen billion, one hundred fifty-two million, one hundred forty-two thousand, eight hundred eighty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.214 sec. • engine limits •