Base | Representation |
---|---|
bin | 101110001011… |
… | …000011000011 |
3 | 211202221101200 |
4 | 232023003003 |
5 | 11044311000 |
6 | 1111232243 |
7 | 204611160 |
oct | 56130303 |
9 | 24687350 |
10 | 12103875 |
11 | 6917903 |
12 | 4078683 |
13 | 267a374 |
14 | 1871067 |
15 | 10e1500 |
hex | b8b0c3 |
12103875 has 96 divisors (see below), whose sum is σ = 26282880. Its totient is φ = 5241600.
The previous prime is 12103873. The next prime is 12103879. The reversal of 12103875 is 57830121.
It is not a de Polignac number, because 12103875 - 21 = 12103873 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12103873) 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 95 ways as a sum of consecutive naturals, for example, 228349 + ... + 228401.
It is an arithmetic number, because the mean of its divisors is an integer number (273780).
Almost surely, 212103875 is an apocalyptic number.
12103875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12103875 is an abundant number, since it is smaller than the sum of its proper divisors (14179005).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12103875 is a wasteful number, since it uses less digits than its factorization.
12103875 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110 (or 97 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 12103875 is about 3479.0623736863. The cubic root of 12103875 is about 229.6015470421.
Adding to 12103875 its reverse (57830121), we get a palindrome (69933996).
The spelling of 12103875 in words is "twelve million, one hundred three thousand, eight hundred seventy-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •