Base | Representation |
---|---|
bin | 11000011010110111… |
… | …00001100110011111 |
3 | 1020211200012020112201 |
4 | 30031123201212133 |
5 | 203322204034330 |
6 | 10004525312331 |
7 | 642612020200 |
oct | 141533414637 |
9 | 36750166481 |
10 | 13110221215 |
11 | 5618418273 |
12 | 265a7056a7 |
13 | 130c183960 |
14 | 8c525b5a7 |
15 | 51ae74eca |
hex | 30d6e199f |
13110221215 has 48 divisors (see below), whose sum is σ = 19830248928. Its totient is φ = 8247101184.
The previous prime is 13110221167. The next prime is 13110221221. The reversal of 13110221215 is 51212201131.
It is not a de Polignac number, because 13110221215 - 29 = 13110220703 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13110221192 and 13110221201.
It is a congruent number.
It is an unprimeable number.
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 47 ways as a sum of consecutive naturals, for example, 506529 + ... + 531781.
It is an arithmetic number, because the mean of its divisors is an integer number (413130186).
Almost surely, 213110221215 is an apocalyptic number.
13110221215 is a deficient number, since it is larger than the sum of its proper divisors (6720027713).
13110221215 is a wasteful number, since it uses less digits than its factorization.
13110221215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25448 (or 25441 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 19.
Adding to 13110221215 its reverse (51212201131), we get a palindrome (64322422346).
The spelling of 13110221215 in words is "thirteen billion, one hundred ten million, two hundred twenty-one thousand, two hundred fifteen".
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