Base | Representation |
---|---|
bin | 11000101000011101… |
… | …10100101101011001 |
3 | 1021010121220200021120 |
4 | 30110032310231121 |
5 | 204040412111441 |
6 | 10024123155453 |
7 | 645465653100 |
oct | 142416645531 |
9 | 37117820246 |
10 | 13224332121 |
11 | 5676877500 |
12 | 2690975b89 |
13 | 13299c81c0 |
14 | 8d6483037 |
15 | 525eb5966 |
hex | 3143b4b59 |
13224332121 has 72 divisors (see below), whose sum is σ = 24280062912. Its totient is φ = 6341227200.
The previous prime is 13224332119. The next prime is 13224332141. The reversal of 13224332121 is 12123342231.
13224332121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 13224332121 - 21 = 13224332119 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13224332091 and 13224332100.
It is not an unprimeable number, because it can be changed into a prime (13224332141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 202636 + ... + 259826.
It is an arithmetic number, because the mean of its divisors is an integer number (337223096).
Almost surely, 213224332121 is an apocalyptic number.
13224332121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
13224332121 is a deficient number, since it is larger than the sum of its proper divisors (11055730791).
13224332121 is a wasteful number, since it uses less digits than its factorization.
13224332121 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57243 (or 57225 counting only the distinct ones).
The product of its digits is 1728, while the sum is 24.
Adding to 13224332121 its reverse (12123342231), we get a palindrome (25347674352).
The spelling of 13224332121 in words is "thirteen billion, two hundred twenty-four million, three hundred thirty-two thousand, one hundred twenty-one".
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