Base | Representation |
---|---|
bin | 10010110011111… |
… | …110101110001101 |
3 | 210222212221221201 |
4 | 102303332232031 |
5 | 1121244204031 |
6 | 51152425501 |
7 | 10551456451 |
oct | 2263765615 |
9 | 728787851 |
10 | 315616141 |
11 | 152180095 |
12 | 89848291 |
13 | 50507a19 |
14 | 2dcba661 |
15 | 1ca95d61 |
hex | 12cfeb8d |
315616141 has 4 divisors (see below), whose sum is σ = 315665500. Its totient is φ = 315566784.
The previous prime is 315616099. The next prime is 315616153. The reversal of 315616141 is 141616513.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 183710916 + 131905225 = 13554^2 + 11485^2 .
It is a cyclic number.
It is not a de Polignac number, because 315616141 - 211 = 315614093 is a prime.
It is a super-2 number, since 2×3156161412 = 199227096919463762, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (315616841) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13356 + ... + 28453.
It is an arithmetic number, because the mean of its divisors is an integer number (78916375).
Almost surely, 2315616141 is an apocalyptic number.
It is an amenable number.
315616141 is a deficient number, since it is larger than the sum of its proper divisors (49359).
315616141 is an equidigital number, since it uses as much as digits as its factorization.
315616141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49358.
The product of its digits is 2160, while the sum is 28.
The square root of 315616141 is about 17765.5886758644. The cubic root of 315616141 is about 680.8525501896.
The spelling of 315616141 in words is "three hundred fifteen million, six hundred sixteen thousand, one hundred forty-one".
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