Base | Representation |
---|---|
bin | 1001001011010111101… |
… | …10011011010001110111 |
3 | 1010010221201200112011110 |
4 | 10211223312123101313 |
5 | 20131310030322411 |
6 | 400511030210103 |
7 | 31532320063416 |
oct | 4455366332167 |
9 | 1103851615143 |
10 | 315342042231 |
11 | 1118103a8747 |
12 | 511474b3933 |
13 | 239764a59c8 |
14 | 1139696147d |
15 | 83095392a6 |
hex | 496bd9b477 |
315342042231 has 16 divisors (see below), whose sum is σ = 425572690400. Its totient is φ = 207681159168.
The previous prime is 315342042221. The next prime is 315342042251. The reversal of 315342042231 is 132240243513.
It is not a de Polignac number, because 315342042231 - 25 = 315342042199 is a prime.
It is a super-2 number, since 2×3153420422312 (a number of 24 digits) 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 (315342042221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1320586 + ... + 1540983.
It is an arithmetic number, because the mean of its divisors is an integer number (26598293150).
Almost surely, 2315342042231 is an apocalyptic number.
315342042231 is a deficient number, since it is larger than the sum of its proper divisors (110230648169).
315342042231 is a wasteful number, since it uses less digits than its factorization.
315342042231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2862018.
The product of its (nonzero) digits is 17280, while the sum is 30.
Adding to 315342042231 its reverse (132240243513), we get a palindrome (447582285744).
The spelling of 315342042231 in words is "three hundred fifteen billion, three hundred forty-two million, forty-two thousand, two hundred thirty-one".
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