Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10110010011011011 |
3 | 1021011002111121212212 |
4 | 30110220112103123 |
5 | 204044120221243 |
6 | 10024522425335 |
7 | 645606562010 |
oct | 142450262333 |
9 | 37132447785 |
10 | 13231023323 |
11 | 567a627721 |
12 | 269306224b |
13 | 132b1cb9ab |
14 | 8d7305707 |
15 | 526888318 |
hex | 314a164db |
13231023323 has 4 divisors (see below), whose sum is σ = 15121169520. Its totient is φ = 11340877128.
The previous prime is 13231023283. The next prime is 13231023341. The reversal of 13231023323 is 32332013231.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 13231023323 - 28 = 13231023067 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13231023353) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945073088 + ... + 945073101.
It is an arithmetic number, because the mean of its divisors is an integer number (3780292380).
Almost surely, 213231023323 is an apocalyptic number.
13231023323 is a deficient number, since it is larger than the sum of its proper divisors (1890146197).
13231023323 is an equidigital number, since it uses as much as digits as its factorization.
13231023323 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1890146196.
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 13231023323 its reverse (32332013231), we get a palindrome (45563036554).
The spelling of 13231023323 in words is "thirteen billion, two hundred thirty-one million, twenty-three thousand, three hundred twenty-three".
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