Base | Representation |
---|---|
bin | 10110101110101101… |
… | …10011000001111111 |
3 | 1011111110010020202200 |
4 | 23113112303001333 |
5 | 144442432342343 |
6 | 5334520522543 |
7 | 611254615053 |
oct | 132726630177 |
9 | 34443106680 |
10 | 12203012223 |
11 | 51a2311776 |
12 | 2446920453 |
13 | 11c6234bbc |
14 | 83a985c63 |
15 | 4b64c24d3 |
hex | 2d75b307f |
12203012223 has 24 divisors (see below), whose sum is σ = 17877061488. Its totient is φ = 8019844992.
The previous prime is 12203012221. The next prime is 12203012231. The reversal of 12203012223 is 32221030221.
It is not a de Polignac number, because 12203012223 - 21 = 12203012221 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12203012196 and 12203012205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12203012221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1860636 + ... + 1867182.
It is an arithmetic number, because the mean of its divisors is an integer number (744877562).
Almost surely, 212203012223 is an apocalyptic number.
12203012223 is a deficient number, since it is larger than the sum of its proper divisors (5674049265).
12203012223 is a wasteful number, since it uses less digits than its factorization.
12203012223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9463 (or 9460 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 12203012223 its reverse (32221030221), we get a palindrome (44424042444).
The spelling of 12203012223 in words is "twelve billion, two hundred three million, twelve thousand, two hundred twenty-three".
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