Base | Representation |
---|---|
bin | 101110101010… |
… | …000111011010 |
3 | 212000101221211 |
4 | 232222013122 |
5 | 11112344010 |
6 | 1114053334 |
7 | 205651162 |
oct | 56520732 |
9 | 25011854 |
10 | 12231130 |
11 | 69a447a |
12 | 411a24a |
13 | 26c3272 |
14 | 18a55a2 |
15 | 111908a |
hex | baa1da |
12231130 has 16 divisors (see below), whose sum is σ = 22083840. Its totient is φ = 4877392.
The previous prime is 12231083. The next prime is 12231133. The reversal of 12231130 is 3113221.
It is a self number, because there is not a number n which added to its sum of digits gives 12231130.
It is not an unprimeable number, because it can be changed into a prime (12231133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1887 + ... + 5293.
It is an arithmetic number, because the mean of its divisors is an integer number (1380240).
Almost surely, 212231130 is an apocalyptic number.
12231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12231130 is a deficient number, since it is larger than the sum of its proper divisors (9852710).
12231130 is a wasteful number, since it uses less digits than its factorization.
12231130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3773.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 12231130 is about 3497.3032467889. The cubic root of 12231130 is about 230.4033878786.
Adding to 12231130 its reverse (3113221), we get a palindrome (15344351).
The spelling of 12231130 in words is "twelve million, two hundred thirty-one thousand, one hundred thirty".
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