Base | Representation |
---|---|
bin | 101110111010… |
… | …111101000111 |
3 | 212010220120101 |
4 | 232322331013 |
5 | 11122100403 |
6 | 1115344531 |
7 | 206356234 |
oct | 56727507 |
9 | 25126511 |
10 | 12300103 |
11 | 6a41282 |
12 | 4152147 |
13 | 271878a |
14 | 18c278b |
15 | 112e71d |
hex | bbaf47 |
12300103 has 2 divisors, whose sum is σ = 12300104. Its totient is φ = 12300102.
The previous prime is 12300091. The next prime is 12300131. The reversal of 12300103 is 30100321.
12300103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It is an emirp because it is prime and its reverse (30100321) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12300103 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12300103.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12300133) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6150051 + 6150052.
It is an arithmetic number, because the mean of its divisors is an integer number (6150052).
Almost surely, 212300103 is an apocalyptic number.
12300103 is a deficient number, since it is larger than the sum of its proper divisors (1).
12300103 is an equidigital number, since it uses as much as digits as its factorization.
12300103 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 18, while the sum is 10.
The square root of 12300103 is about 3507.1502676675. The cubic root of 12300103 is about 230.8356683098.
Adding to 12300103 its reverse (30100321), we get a palindrome (42400424).
It can be divided in two parts, 12300 and 103, that added together give a triangular number (12403 = T157).
The spelling of 12300103 in words is "twelve million, three hundred thousand, one hundred three".
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