Base | Representation |
---|---|
bin | 10111001000110110… |
… | …10111000110000001 |
3 | 1012001201202211221112 |
4 | 23210123113012001 |
5 | 200420102443241 |
6 | 5412353133105 |
7 | 616556624666 |
oct | 134433270601 |
9 | 35051684845 |
10 | 12422312321 |
11 | 52a5087121 |
12 | 24a825a195 |
13 | 122c7b8b83 |
14 | 85bb4da6d |
15 | 4ca8901eb |
hex | 2e46d7181 |
12422312321 has 8 divisors (see below), whose sum is σ = 12465129600. Its totient is φ = 12379561920.
The previous prime is 12422312317. The next prime is 12422312363. The reversal of 12422312321 is 12321322421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 12422312321 - 22 = 12422312317 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12422312311) 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, 370700 + ... + 402818.
It is an arithmetic number, because the mean of its divisors is an integer number (1558141200).
Almost surely, 212422312321 is an apocalyptic number.
It is an amenable number.
12422312321 is a deficient number, since it is larger than the sum of its proper divisors (42817279).
12422312321 is an equidigital number, since it uses as much as digits as its factorization.
12422312321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33439.
The product of its digits is 1152, while the sum is 23.
Adding to 12422312321 its reverse (12321322421), we get a palindrome (24743634742).
The spelling of 12422312321 in words is "twelve billion, four hundred twenty-two million, three hundred twelve thousand, three hundred twenty-one".
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