Base | Representation |
---|---|
bin | 11000101000000100… |
… | …01001101011001100 |
3 | 1021010101122220100122 |
4 | 30110002021223030 |
5 | 204034034310444 |
6 | 10023524044112 |
7 | 645425506010 |
oct | 142402115314 |
9 | 37111586318 |
10 | 13221010124 |
11 | 5674a08653 |
12 | 268b833638 |
13 | 132910411a |
14 | 8d5c5a540 |
15 | 525a5b4ee |
hex | 314089acc |
13221010124 has 24 divisors (see below), whose sum is σ = 26444570880. Its totient is φ = 5665600656.
The previous prime is 13221010123. The next prime is 13221010133. The reversal of 13221010124 is 42101012231.
It is not an unprimeable number, because it can be changed into a prime (13221010123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432059 + ... + 461645.
It is an arithmetic number, because the mean of its divisors is an integer number (1101857120).
Almost surely, 213221010124 is an apocalyptic number.
13221010124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13221010124 is an abundant number, since it is smaller than the sum of its proper divisors (13223560756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13221010124 is a wasteful number, since it uses less digits than its factorization.
13221010124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45557 (or 45555 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 13221010124 its reverse (42101012231), we get a palindrome (55322022355).
The spelling of 13221010124 in words is "thirteen billion, two hundred twenty-one million, ten thousand, one hundred twenty-four".
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