Base | Representation |
---|---|
bin | 110000010011… |
… | …100100000011 |
3 | 212211100102121 |
4 | 300103210003 |
5 | 11220204133 |
6 | 1131225111 |
7 | 212430331 |
oct | 60234403 |
9 | 25740377 |
10 | 12663043 |
11 | 7169a28 |
12 | 42a8197 |
13 | 2814a33 |
14 | 1978b51 |
15 | 11a202d |
hex | c13903 |
12663043 has 4 divisors (see below), whose sum is σ = 12762880. Its totient is φ = 12563208.
The previous prime is 12663029. The next prime is 12663073. The reversal of 12663043 is 34036621.
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-12663043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12662999 and 12663017.
It is not an unprimeable number, because it can be changed into a prime (12663023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49728 + ... + 49981.
It is an arithmetic number, because the mean of its divisors is an integer number (3190720).
Almost surely, 212663043 is an apocalyptic number.
12663043 is a deficient number, since it is larger than the sum of its proper divisors (99837).
12663043 is an equidigital number, since it uses as much as digits as its factorization.
12663043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99836.
The product of its (nonzero) digits is 2592, while the sum is 25.
The square root of 12663043 is about 3558.5169663780. The cubic root of 12663043 is about 233.0841241790.
Adding to 12663043 its reverse (34036621), we get a palindrome (46699664).
The spelling of 12663043 in words is "twelve million, six hundred sixty-three thousand, forty-three".
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