Base | Representation |
---|---|
bin | 10110111101001000… |
… | …11010011111000101 |
3 | 1011210212211012021011 |
4 | 23132210122133011 |
5 | 200214422202323 |
6 | 5354522322221 |
7 | 614254313626 |
oct | 133644323705 |
9 | 34725735234 |
10 | 12324022213 |
11 | 5254653328 |
12 | 247b359371 |
13 | 1215323749 |
14 | 84ca85a4d |
15 | 4c1e2720d |
hex | 2de91a7c5 |
12324022213 has 4 divisors (see below), whose sum is σ = 12556550988. Its totient is φ = 12091493440.
The previous prime is 12324022201. The next prime is 12324022229. The reversal of 12324022213 is 31222042321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31222042321 = 29 ⋅1076622149.
It can be written as a sum of positive squares in 2 ways, for example, as 7606805089 + 4717217124 = 87217^2 + 68682^2 .
It is a cyclic number.
It is not a de Polignac number, because 12324022213 - 221 = 12321925061 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12324022273) 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 3 ways as a sum of consecutive naturals, for example, 116264308 + ... + 116264413.
It is an arithmetic number, because the mean of its divisors is an integer number (3139137747).
Almost surely, 212324022213 is an apocalyptic number.
It is an amenable number.
12324022213 is a deficient number, since it is larger than the sum of its proper divisors (232528775).
12324022213 is an equidigital number, since it uses as much as digits as its factorization.
12324022213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 232528774.
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 12324022213 its reverse (31222042321), we get a palindrome (43546064534).
The spelling of 12324022213 in words is "twelve billion, three hundred twenty-four million, twenty-two thousand, two hundred thirteen".
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