Base | Representation |
---|---|
bin | 10110111100110011… |
… | …10100010111111110 |
3 | 1011210200121002012012 |
4 | 23132121310113332 |
5 | 200213214312140 |
6 | 5354343011222 |
7 | 614221565060 |
oct | 133631642776 |
9 | 34720532165 |
10 | 12321244670 |
11 | 5253026539 |
12 | 247a439b12 |
13 | 1214890427 |
14 | 84c561730 |
15 | 4c1a79265 |
hex | 2de6745fe |
12321244670 has 32 divisors (see below), whose sum is σ = 26448588288. Its totient is φ = 4040755488.
The previous prime is 12321244669. The next prime is 12321244679. The reversal of 12321244670 is 7644212321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12321244679) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3824864 + ... + 3828083.
It is an arithmetic number, because the mean of its divisors is an integer number (826518384).
Almost surely, 212321244670 is an apocalyptic number.
12321244670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12321244670 is an abundant number, since it is smaller than the sum of its proper divisors (14127343618).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12321244670 is a wasteful number, since it uses less digits than its factorization.
12321244670 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7652984.
The product of its (nonzero) digits is 16128, while the sum is 32.
Adding to 12321244670 its reverse (7644212321), we get a palindrome (19965456991).
The spelling of 12321244670 in words is "twelve billion, three hundred twenty-one million, two hundred forty-four thousand, six hundred seventy".
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