Base | Representation |
---|---|
bin | 110001010100… |
… | …011100100011 |
3 | 220022211222120 |
4 | 301110130203 |
5 | 11302210203 |
6 | 1141035323 |
7 | 214615206 |
oct | 61243443 |
9 | 26284876 |
10 | 12928803 |
11 | 7330668 |
12 | 43b5b43 |
13 | 28a89a4 |
14 | 1a0793d |
15 | 1205b53 |
hex | c54723 |
12928803 has 8 divisors (see below), whose sum is σ = 17264208. Its totient is φ = 8606304.
The previous prime is 12928757. The next prime is 12928813. The reversal of 12928803 is 30882921.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12928803 - 26 = 12928739 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12928813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 576 + ... + 5117.
It is an arithmetic number, because the mean of its divisors is an integer number (2158026).
Almost surely, 212928803 is an apocalyptic number.
12928803 is a deficient number, since it is larger than the sum of its proper divisors (4335405).
12928803 is an equidigital number, since it uses as much as digits as its factorization.
12928803 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6453.
The product of its (nonzero) digits is 6912, while the sum is 33.
The square root of 12928803 is about 3595.6644726670. The cubic root of 12928803 is about 234.7034315336.
It can be divided in two parts, 12928 and 803, that added together give a palindrome (13731).
The spelling of 12928803 in words is "twelve million, nine hundred twenty-eight thousand, eight hundred three".
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