Base | Representation |
---|---|
bin | 10111000100101010… |
… | …11011000100101100 |
3 | 1011222021201000201020 |
4 | 23202111123010230 |
5 | 200332110420244 |
6 | 5405100414140 |
7 | 615652321401 |
oct | 134225330454 |
9 | 34867630636 |
10 | 12387201324 |
11 | 5287285773 |
12 | 2498547350 |
13 | 1225444734 |
14 | 8572102a8 |
15 | 4c7756d19 |
hex | 2e255b12c |
12387201324 has 24 divisors (see below), whose sum is σ = 29033088000. Its totient is φ = 4110550224.
The previous prime is 12387201311. The next prime is 12387201329. The reversal of 12387201324 is 42310278321.
It is not an unprimeable number, because it can be changed into a prime (12387201329) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2311824 + ... + 2317175.
It is an arithmetic number, because the mean of its divisors is an integer number (1209712000).
Almost surely, 212387201324 is an apocalyptic number.
It is an amenable number.
12387201324 is an abundant number, since it is smaller than the sum of its proper divisors (16645886676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12387201324 is a wasteful number, since it uses less digits than its factorization.
12387201324 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4629229 (or 4629227 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 33.
Adding to 12387201324 its reverse (42310278321), we get a palindrome (54697479645).
The spelling of 12387201324 in words is "twelve billion, three hundred eighty-seven million, two hundred one thousand, three hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •