Base | Representation |
---|---|
bin | 10110111101000010… |
… | …10110111011101110 |
3 | 1011210211022111112010 |
4 | 23132201112323232 |
5 | 200214221034410 |
6 | 5354453222050 |
7 | 614244436455 |
oct | 133641267356 |
9 | 34724274463 |
10 | 12323221230 |
11 | 5254156561 |
12 | 247b031926 |
13 | 1215102ca8 |
14 | 84c917b9c |
15 | 4c1d19c20 |
hex | 2de856eee |
12323221230 has 32 divisors (see below), whose sum is σ = 29579010048. Its totient is φ = 3285828000.
The previous prime is 12323221219. The next prime is 12323221243. The reversal of 12323221230 is 3212232321.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 12323221197 and 12323221206.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355155 + ... + 388305.
It is an arithmetic number, because the mean of its divisors is an integer number (924344064).
Almost surely, 212323221230 is an apocalyptic number.
12323221230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12323221230 is an abundant number, since it is smaller than the sum of its proper divisors (17255788818).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12323221230 is a wasteful number, since it uses less digits than its factorization.
12323221230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45552.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12323221230 its reverse (3212232321), we get a palindrome (15535453551).
The spelling of 12323221230 in words is "twelve billion, three hundred twenty-three million, two hundred twenty-one thousand, two hundred thirty".
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