Base | Representation |
---|---|
bin | 1110101100001… |
… | …01101110000000 |
3 | 22120212210021222 |
4 | 13112011232000 |
5 | 223021343404 |
6 | 20121134212 |
7 | 3024306233 |
oct | 726055600 |
9 | 276783258 |
10 | 123231104 |
11 | 63619397 |
12 | 3532a368 |
13 | 1c6b8819 |
14 | 1251b41a |
15 | ac42dbe |
hex | 7585b80 |
123231104 has 16 divisors (see below), whose sum is σ = 245499720. Its totient is φ = 61615488.
The previous prime is 123231103. The next prime is 123231109. The reversal of 123231104 is 401132321.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (123231103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 481244 + ... + 481499.
Almost surely, 2123231104 is an apocalyptic number.
It is an amenable number.
123231104 is a deficient number, since it is larger than the sum of its proper divisors (122268616).
123231104 is an frugal number, since it uses more digits than its factorization.
123231104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 962757 (or 962745 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 123231104 is about 11100.9505899270. The cubic root of 123231104 is about 497.6302583930.
Adding to 123231104 its reverse (401132321), we get a palindrome (524363425).
The spelling of 123231104 in words is "one hundred twenty-three million, two hundred thirty-one thousand, one hundred four".
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