Base | Representation |
---|---|
bin | 101110010001… |
… | …011110011000 |
3 | 211211021111200 |
4 | 232101132120 |
5 | 11101131300 |
6 | 1111554200 |
7 | 205051005 |
oct | 56213630 |
9 | 24737450 |
10 | 12130200 |
11 | 6935665 |
12 | 408b960 |
13 | 2689344 |
14 | 187a8ac |
15 | 10e9200 |
hex | b91798 |
12130200 has 144 divisors (see below), whose sum is σ = 42653520. Its totient is φ = 3083520.
The previous prime is 12130169. The next prime is 12130259. The reversal of 12130200 is 203121.
It is a happy number.
12130200 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41254 + ... + 41546.
It is an arithmetic number, because the mean of its divisors is an integer number (296205).
Almost surely, 212130200 is an apocalyptic number.
12130200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21326760).
12130200 is an abundant number, since it is smaller than the sum of its proper divisors (30523320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12130200 is a wasteful number, since it uses less digits than its factorization.
12130200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 338 (or 326 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 12130200 is about 3482.8436657421. The cubic root of 12130200 is about 229.7678817649.
Adding to 12130200 its reverse (203121), we get a palindrome (12333321).
The spelling of 12130200 in words is "twelve million, one hundred thirty thousand, two hundred".
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