Base | Representation |
---|---|
bin | 11000101001010000… |
… | …10001001001101111 |
3 | 1021011002110112221101 |
4 | 30110220101021233 |
5 | 204044114032343 |
6 | 10024522143531 |
7 | 645606443335 |
oct | 142450211157 |
9 | 37132415841 |
10 | 13231002223 |
11 | 567a61288a |
12 | 2693051ba7 |
13 | 132b1c21ca |
14 | 8d72dbb55 |
15 | 526881e4d |
hex | 314a1126f |
13231002223 has 4 divisors (see below), whose sum is σ = 13231262848. Its totient is φ = 13230741600.
The previous prime is 13231002217. The next prime is 13231002251. The reversal of 13231002223 is 32220013231.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13231002223 - 29 = 13231001711 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13231002223.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13231002023) 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, 26703 + ... + 164848.
It is an arithmetic number, because the mean of its divisors is an integer number (3307815712).
Almost surely, 213231002223 is an apocalyptic number.
13231002223 is a deficient number, since it is larger than the sum of its proper divisors (260625).
13231002223 is an equidigital number, since it uses as much as digits as its factorization.
13231002223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 260624.
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 13231002223 its reverse (32220013231), we get a palindrome (45451015454).
The spelling of 13231002223 in words is "thirteen billion, two hundred thirty-one million, two thousand, two hundred twenty-three".
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