Base | Representation |
---|---|
bin | 1110101100110… |
… | …01100011000101 |
3 | 22121000220201011 |
4 | 13112121203011 |
5 | 223031443300 |
6 | 20123002221 |
7 | 3025065103 |
oct | 726314305 |
9 | 277026634 |
10 | 123312325 |
11 | 63674414 |
12 | 35369371 |
13 | 1c716796 |
14 | 1253cc73 |
15 | ac5beba |
hex | 75998c5 |
123312325 has 6 divisors (see below), whose sum is σ = 152907314. Its totient is φ = 98649840.
The previous prime is 123312307. The next prime is 123312331. The reversal of 123312325 is 523213321.
It can be written as a sum of positive squares in 3 ways, for example, as 11819844 + 111492481 = 3438^2 + 10559^2 .
It is not a de Polignac number, because 123312325 - 221 = 121215173 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123312296 and 123312305.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2466222 + ... + 2466271.
Almost surely, 2123312325 is an apocalyptic number.
It is an amenable number.
123312325 is a deficient number, since it is larger than the sum of its proper divisors (29594989).
123312325 is an equidigital number, since it uses as much as digits as its factorization.
123312325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4932503 (or 4932498 counting only the distinct ones).
The product of its digits is 1080, while the sum is 22.
The square root of 123312325 is about 11104.6082776476. The cubic root of 123312325 is about 497.7395629149.
Adding to 123312325 its reverse (523213321), we get a palindrome (646525646).
The spelling of 123312325 in words is "one hundred twenty-three million, three hundred twelve thousand, three hundred twenty-five".
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