Base | Representation |
---|---|
bin | 11000101001010001… |
… | …01100110001001110 |
3 | 1021011002200022002222 |
4 | 30110220230301032 |
5 | 204044131142332 |
6 | 10024524415342 |
7 | 645610424204 |
oct | 142450546116 |
9 | 37132608088 |
10 | 13231115342 |
11 | 567a68a875 |
12 | 26930a7552 |
13 | 132b231843 |
14 | 8d732b074 |
15 | 5268a5712 |
hex | 314a2cc4e |
13231115342 has 16 divisors (see below), whose sum is σ = 20107306512. Its totient is φ = 6529099200.
The previous prime is 13231115333. The next prime is 13231115389. The reversal of 13231115342 is 24351113231.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41408 + ... + 167859.
It is an arithmetic number, because the mean of its divisors is an integer number (1256706657).
Almost surely, 213231115342 is an apocalyptic number.
13231115342 is a deficient number, since it is larger than the sum of its proper divisors (6876191170).
13231115342 is a wasteful number, since it uses less digits than its factorization.
13231115342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209683.
The product of its digits is 2160, while the sum is 26.
Adding to 13231115342 its reverse (24351113231), we get a palindrome (37582228573).
The spelling of 13231115342 in words is "thirteen billion, two hundred thirty-one million, one hundred fifteen thousand, three hundred forty-two".
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