Base | Representation |
---|---|
bin | 101110001011… |
… | …010100110000 |
3 | 211202222221122 |
4 | 232023110300 |
5 | 11044330013 |
6 | 1111241412 |
7 | 204614366 |
oct | 56132460 |
9 | 24688848 |
10 | 12105008 |
11 | 6918743 |
12 | 4079268 |
13 | 267aa36 |
14 | 1871636 |
15 | 10e1a08 |
hex | b8b530 |
12105008 has 10 divisors (see below), whose sum is σ = 23453484. Its totient is φ = 6052496.
The previous prime is 12104993. The next prime is 12105011. The reversal of 12105008 is 80050121.
It is an unprimeable number.
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 as a sum of consecutive naturals, namely, 378266 + ... + 378297.
Almost surely, 212105008 is an apocalyptic number.
It is an amenable number.
12105008 is a deficient number, since it is larger than the sum of its proper divisors (11348476).
12105008 is an equidigital number, since it uses as much as digits as its factorization.
12105008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 756571 (or 756565 counting only the distinct ones).
The product of its (nonzero) digits is 80, while the sum is 17.
The square root of 12105008 is about 3479.2252011044. The cubic root of 12105008 is about 229.6087108756.
Adding to 12105008 its reverse (80050121), we get a palindrome (92155129).
The spelling of 12105008 in words is "twelve million, one hundred five thousand, eight".
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