Base | Representation |
---|---|
bin | 11000101001010000… |
… | …11000010000000110 |
3 | 1021011002112000211101 |
4 | 30110220120100012 |
5 | 204044121000202 |
6 | 10024522530314 |
7 | 645606624166 |
oct | 142450302006 |
9 | 37132460741 |
10 | 13231031302 |
11 | 567a632715 |
12 | 269306699a |
13 | 132b202508 |
14 | 8d73085a6 |
15 | 52688a887 |
hex | 314a18406 |
13231031302 has 8 divisors (see below), whose sum is σ = 19847869200. Its totient is φ = 6615074904.
The previous prime is 13231031287. The next prime is 13231031339. The reversal of 13231031302 is 20313013231.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 13231031302.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181477 + ... + 243712.
It is an arithmetic number, because the mean of its divisors is an integer number (2480983650).
Almost surely, 213231031302 is an apocalyptic number.
13231031302 is a deficient number, since it is larger than the sum of its proper divisors (6616837898).
13231031302 is a wasteful number, since it uses less digits than its factorization.
13231031302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 440750.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 13231031302 its reverse (20313013231), we get a palindrome (33544044533).
The spelling of 13231031302 in words is "thirteen billion, two hundred thirty-one million, thirty-one thousand, three hundred two".
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