Base | Representation |
---|---|
bin | 101110010001… |
… | …100000100010 |
3 | 211211021200210 |
4 | 232101200202 |
5 | 11101132323 |
6 | 1111554550 |
7 | 205051263 |
oct | 56214042 |
9 | 24737623 |
10 | 12130338 |
11 | 6935780 |
12 | 408ba56 |
13 | 268941c |
14 | 187a96a |
15 | 10e9293 |
hex | b91822 |
12130338 has 64 divisors (see below), whose sum is σ = 28283904. Its totient is φ = 3432000.
The previous prime is 12130319. The next prime is 12130351. The reversal of 12130338 is 83303121.
It is a happy number.
It is a super-3 number, since 3×121303383 (a number of 22 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 92533 + ... + 92663.
It is an arithmetic number, because the mean of its divisors is an integer number (441936).
Almost surely, 212130338 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12130338, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14141952).
12130338 is an abundant number, since it is smaller than the sum of its proper divisors (16153566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130338 is a wasteful number, since it uses less digits than its factorization.
12130338 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 231.
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 12130338 is about 3482.8634770832. The cubic root of 12130338 is about 229.7687530846.
Adding to 12130338 its reverse (83303121), we get a palindrome (95433459).
The spelling of 12130338 in words is "twelve million, one hundred thirty thousand, three hundred thirty-eight".
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