Base | Representation |
---|---|
bin | 10110111011100111… |
… | …00000000100000011 |
3 | 1011202222200202111111 |
4 | 23131303200010003 |
5 | 200203131400003 |
6 | 5353343424151 |
7 | 614040321244 |
oct | 133563400403 |
9 | 34688622444 |
10 | 12311200003 |
11 | 5248395863 |
12 | 2476bb5057 |
13 | 121278443b |
14 | 84b0a8ccb |
15 | 4c0c42e6d |
hex | 2ddce0103 |
12311200003 has 4 divisors (see below), whose sum is σ = 12337905888. Its totient is φ = 12284494120.
The previous prime is 12311199977. The next prime is 12311200019. The reversal of 12311200003 is 30000211321.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30000211321 = 17 ⋅1764718313.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12311200003 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12311207003) 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, 13352251 + ... + 13353172.
It is an arithmetic number, because the mean of its divisors is an integer number (3084476472).
Almost surely, 212311200003 is an apocalyptic number.
12311200003 is a deficient number, since it is larger than the sum of its proper divisors (26705885).
12311200003 is an equidigital number, since it uses as much as digits as its factorization.
12311200003 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26705884.
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 12311200003 its reverse (30000211321), we get a palindrome (42311411324).
The spelling of 12311200003 in words is "twelve billion, three hundred eleven million, two hundred thousand, three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •