Base | Representation |
---|---|
bin | 11000100101110101… |
… | …11001101000111101 |
3 | 1021002002111222002110 |
4 | 30102322321220331 |
5 | 204014244112341 |
6 | 10022015444233 |
7 | 645110654331 |
oct | 142272715075 |
9 | 37062458073 |
10 | 13202332221 |
11 | 5665410671 |
12 | 2685526679 |
13 | 1325294700 |
14 | 8d35977c1 |
15 | 5240bc216 |
hex | 312eb9a3d |
13202332221 has 12 divisors (see below), whose sum is σ = 19061356128. Its totient is φ = 8124511824.
The previous prime is 13202332201. The next prime is 13202332259. The reversal of 13202332221 is 12223320231.
It is a happy number.
It is not a de Polignac number, because 13202332221 - 27 = 13202332093 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13202332201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13019545 + ... + 13020558.
It is an arithmetic number, because the mean of its divisors is an integer number (1588446344).
Almost surely, 213202332221 is an apocalyptic number.
It is an amenable number.
13202332221 is a deficient number, since it is larger than the sum of its proper divisors (5859023907).
13202332221 is a wasteful number, since it uses less digits than its factorization.
13202332221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26040132 (or 26040119 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 13202332221 its reverse (12223320231), we get a palindrome (25425652452).
The spelling of 13202332221 in words is "thirteen billion, two hundred two million, three hundred thirty-two thousand, two hundred twenty-one".
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