Base | Representation |
---|---|
bin | 10110110101000001… |
… | …11100010010010111 |
3 | 1011122010211110202022 |
4 | 23122200330102113 |
5 | 200100014100343 |
6 | 5344052403355 |
7 | 612500210552 |
oct | 133240742227 |
9 | 34563743668 |
10 | 12256003223 |
11 | 521a215692 |
12 | 246061655b |
13 | 12041c9819 |
14 | 843a1b699 |
15 | 4bae8d568 |
hex | 2da83c497 |
12256003223 has 4 divisors (see below), whose sum is σ = 12300249000. Its totient is φ = 12211757448.
The previous prime is 12256003213. The next prime is 12256003231. The reversal of 12256003223 is 32230065221.
12256003223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12256003223 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12256003192 and 12256003201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12256003213) 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 3 ways as a sum of consecutive naturals, for example, 22122473 + ... + 22123026.
It is an arithmetic number, because the mean of its divisors is an integer number (3075062250).
Almost surely, 212256003223 is an apocalyptic number.
12256003223 is a deficient number, since it is larger than the sum of its proper divisors (44245777).
12256003223 is an equidigital number, since it uses as much as digits as its factorization.
12256003223 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44245776.
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 12256003223 its reverse (32230065221), we get a palindrome (44486068444).
The spelling of 12256003223 in words is "twelve billion, two hundred fifty-six million, three thousand, two hundred twenty-three".
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