Base | Representation |
---|---|
bin | 11000110100001001… |
… | …01000000100110111 |
3 | 1021101110022002102220 |
4 | 30122010220010313 |
5 | 204241003302411 |
6 | 10041543333423 |
7 | 651065604411 |
oct | 143204500467 |
9 | 37343262386 |
10 | 13322322231 |
11 | 5717115969 |
12 | 26b9751273 |
13 | 13440b6c0a |
14 | 9054ad9b1 |
15 | 52e8beb06 |
hex | 31a128137 |
13322322231 has 16 divisors (see below), whose sum is σ = 18315900288. Its totient is φ = 8607060000.
The previous prime is 13322322227. The next prime is 13322322259. The reversal of 13322322231 is 13222322331.
It is not a de Polignac number, because 13322322231 - 22 = 13322322227 is a prime.
It is a super-2 number, since 2×133223222312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13322326231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 211225 + ... + 266946.
It is an arithmetic number, because the mean of its divisors is an integer number (1144743768).
Almost surely, 213322322231 is an apocalyptic number.
13322322231 is a deficient number, since it is larger than the sum of its proper divisors (4993578057).
13322322231 is a wasteful number, since it uses less digits than its factorization.
13322322231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 478462.
The product of its digits is 2592, while the sum is 24.
Adding to 13322322231 its reverse (13222322331), we get a palindrome (26544644562).
The spelling of 13322322231 in words is "thirteen billion, three hundred twenty-two million, three hundred twenty-two thousand, two hundred thirty-one".
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