Base | Representation |
---|---|
bin | 1110101100001… |
… | …01100000000100 |
3 | 22120212202001221 |
4 | 13112011200010 |
5 | 223021331322 |
6 | 20121130124 |
7 | 3024303520 |
oct | 726054004 |
9 | 276782057 |
10 | 123230212 |
11 | 63618756 |
12 | 35329944 |
13 | 1c6b82b1 |
14 | 1251ad80 |
15 | ac429c7 |
hex | 7585804 |
123230212 has 24 divisors (see below), whose sum is σ = 260959104. Its totient is φ = 49706112.
The previous prime is 123230209. The next prime is 123230221. The reversal of 123230212 is 212032321.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128968 + ... + 129919.
It is an arithmetic number, because the mean of its divisors is an integer number (10873296).
Almost surely, 2123230212 is an apocalyptic number.
It is an amenable number.
123230212 is an abundant number, since it is smaller than the sum of its proper divisors (137728892).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123230212 is a wasteful number, since it uses less digits than its factorization.
123230212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 258915 (or 258913 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
The square root of 123230212 is about 11100.9104131148. The cubic root of 123230212 is about 497.6290577025.
Adding to 123230212 its reverse (212032321), we get a palindrome (335262533).
The spelling of 123230212 in words is "one hundred twenty-three million, two hundred thirty thousand, two hundred twelve".
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