Base | Representation |
---|---|
bin | 1001001011001101010… |
… | …10011110011010001011 |
3 | 1010010201122221111112222 |
4 | 10211212222132122023 |
5 | 20131120241220433 |
6 | 400454241124255 |
7 | 31530212324636 |
oct | 4454652363213 |
9 | 1103648844488 |
10 | 315255023243 |
11 | 111776273026 |
12 | 5112232968b |
13 | 23961458894 |
14 | 1138918cc1d |
15 | 8301a9ab98 |
hex | 4966a9e68b |
315255023243 has 16 divisors (see below), whose sum is σ = 332255838720. Its totient is φ = 298530486144.
The previous prime is 315255023203. The next prime is 315255023287. The reversal of 315255023243 is 342320552513.
It is a cyclic number.
It is not a de Polignac number, because 315255023243 - 210 = 315255022219 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (315255023203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8612003 + ... + 8648531.
It is an arithmetic number, because the mean of its divisors is an integer number (20765989920).
Almost surely, 2315255023243 is an apocalyptic number.
315255023243 is a deficient number, since it is larger than the sum of its proper divisors (17000815477).
315255023243 is a wasteful number, since it uses less digits than its factorization.
315255023243 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40298.
The product of its (nonzero) digits is 108000, while the sum is 35.
Adding to 315255023243 its reverse (342320552513), we get a palindrome (657575575756).
The spelling of 315255023243 in words is "three hundred fifteen billion, two hundred fifty-five million, twenty-three thousand, two hundred forty-three".
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