Base | Representation |
---|---|
bin | 11000101000010101… |
… | …00011000001111011 |
3 | 1021010112210201120102 |
4 | 30110022203001323 |
5 | 204040120224011 |
6 | 10024043150015 |
7 | 645453303644 |
oct | 142412430173 |
9 | 37115721512 |
10 | 13223211131 |
11 | 5676181269 |
12 | 269051530b |
13 | 13296c4bb0 |
14 | 8d62706cb |
15 | 525d4373b |
hex | 3142a307b |
13223211131 has 8 divisors (see below), whose sum is σ = 14251550544. Its totient is φ = 12196467360.
The previous prime is 13223211073. The next prime is 13223211233. The reversal of 13223211131 is 13111232231.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13223211131 - 210 = 13223210107 is a prime.
It is a super-2 number, since 2×132232111312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13223213131) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381665 + ... + 414866.
It is an arithmetic number, because the mean of its divisors is an integer number (1781443818).
Almost surely, 213223211131 is an apocalyptic number.
13223211131 is a deficient number, since it is larger than the sum of its proper divisors (1028339413).
13223211131 is a wasteful number, since it uses less digits than its factorization.
13223211131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 797821.
The product of its digits is 216, while the sum is 20.
Adding to 13223211131 its reverse (13111232231), we get a palindrome (26334443362).
The spelling of 13223211131 in words is "thirteen billion, two hundred twenty-three million, two hundred eleven thousand, one hundred thirty-one".
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