Base | Representation |
---|---|
bin | 10110110001001101… |
… | …11001111110110101 |
3 | 1011112220122011100002 |
4 | 23120212321332311 |
5 | 200013321342323 |
6 | 5340551001045 |
7 | 611631250400 |
oct | 133046717665 |
9 | 34486564302 |
10 | 12224012213 |
11 | 5203155336 |
12 | 2451969185 |
13 | 11ca6a852a |
14 | 83d690d37 |
15 | 4b826e828 |
hex | 2d89b9fb5 |
12224012213 has 12 divisors (see below), whose sum is σ = 14235851232. Its totient is φ = 10465875000.
The previous prime is 12224012191. The next prime is 12224012219. The reversal of 12224012213 is 31221042221.
It is not a de Polignac number, because 12224012213 - 218 = 12223750069 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12224012219) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97163 + ... + 184088.
It is an arithmetic number, because the mean of its divisors is an integer number (1186320936).
Almost surely, 212224012213 is an apocalyptic number.
It is an amenable number.
12224012213 is a deficient number, since it is larger than the sum of its proper divisors (2011839019).
12224012213 is an equidigital number, since it uses as much as digits as its factorization.
12224012213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 282152 (or 282145 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 12224012213 its reverse (31221042221), we get a palindrome (43445054434).
The spelling of 12224012213 in words is "twelve billion, two hundred twenty-four million, twelve thousand, two hundred thirteen".
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