Base | Representation |
---|---|
bin | 111100000000000… |
… | …1100000111001011 |
3 | 12012022102000200220 |
4 | 1320000030013023 |
5 | 13110402044111 |
6 | 531440201123 |
7 | 100614620403 |
oct | 17000140713 |
9 | 5168360626 |
10 | 2013315531 |
11 | 943511837 |
12 | 4823091a3 |
13 | 26115a086 |
14 | 151563803 |
15 | bbb42e06 |
hex | 7800c1cb |
2013315531 has 16 divisors (see below), whose sum is σ = 2716156800. Its totient is φ = 1326404288.
The previous prime is 2013315509. The next prime is 2013315533. The reversal of 2013315531 is 1355133102.
It is a cyclic number.
It is not a de Polignac number, because 2013315531 - 26 = 2013315467 is a prime.
It is a super-2 number, since 2×20133155312 = 8106878854731623922, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2013315533) 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, 127015 + ... + 141983.
It is an arithmetic number, because the mean of its divisors is an integer number (169759800).
Almost surely, 22013315531 is an apocalyptic number.
2013315531 is a deficient number, since it is larger than the sum of its proper divisors (702841269).
2013315531 is a wasteful number, since it uses less digits than its factorization.
2013315531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15498.
The product of its (nonzero) digits is 1350, while the sum is 24.
The square root of 2013315531 is about 44869.9847448158. The cubic root of 2013315531 is about 1262.7109538157.
Adding to 2013315531 its reverse (1355133102), we get a palindrome (3368448633).
The spelling of 2013315531 in words is "two billion, thirteen million, three hundred fifteen thousand, five hundred thirty-one".
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