Base | Representation |
---|---|
bin | 11000101000000101… |
… | …11000000010001101 |
3 | 1021010102000112211120 |
4 | 30110002320002031 |
5 | 204034111400023 |
6 | 10023532111153 |
7 | 645430226430 |
oct | 142402700215 |
9 | 37112015746 |
10 | 13221200013 |
11 | 567502828a |
12 | 268b9054b9 |
13 | 132916c698 |
14 | 8d5ca9817 |
15 | 525a978e3 |
hex | 3140b808d |
13221200013 has 32 divisors (see below), whose sum is σ = 21303754752. Its totient is φ = 7132924800.
The previous prime is 13221199997. The next prime is 13221200029. The reversal of 13221200013 is 31000212231.
It is an interprime number because it is at equal distance from previous prime (13221199997) and next prime (13221200029).
It is not a de Polignac number, because 13221200013 - 24 = 13221199997 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 13221199965 and 13221200001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13221200413) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 220981 + ... + 274362.
It is an arithmetic number, because the mean of its divisors is an integer number (665742336).
Almost surely, 213221200013 is an apocalyptic number.
It is an amenable number.
13221200013 is a deficient number, since it is larger than the sum of its proper divisors (8082554739).
13221200013 is a wasteful number, since it uses less digits than its factorization.
13221200013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495425.
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 13221200013 its reverse (31000212231), we get a palindrome (44221412244).
The spelling of 13221200013 in words is "thirteen billion, two hundred twenty-one million, two hundred thousand, thirteen".
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