Base | Representation |
---|---|
bin | 101110001010… |
… | …001010000110 |
3 | 211202202101200 |
4 | 232022022012 |
5 | 11044201410 |
6 | 1111203330 |
7 | 204564432 |
oct | 56121206 |
9 | 24682350 |
10 | 12100230 |
11 | 691509a |
12 | 4076546 |
13 | 26787cc |
14 | 186d9c2 |
15 | 10e03c0 |
hex | b8a286 |
12100230 has 48 divisors (see below), whose sum is σ = 32482944. Its totient is φ = 3121920.
The previous prime is 12100229. The next prime is 12100247. The reversal of 12100230 is 3200121.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 622 + ... + 4958.
It is an arithmetic number, because the mean of its divisors is an integer number (676728).
Almost surely, 212100230 is an apocalyptic number.
12100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 12100230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16241472).
12100230 is an abundant number, since it is smaller than the sum of its proper divisors (20382714).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12100230 is a wasteful number, since it uses less digits than its factorization.
12100230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4381 (or 4378 counting only the distinct ones).
The product of its (nonzero) digits is 12, while the sum is 9.
The square root of 12100230 is about 3478.5384862037. The cubic root of 12100230 is about 229.5784970777.
Adding to 12100230 its reverse (3200121), we get a palindrome (15300351).
The spelling of 12100230 in words is "twelve million, one hundred thousand, two hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •