Base | Representation |
---|---|
bin | 10111000000010000… |
… | …11100000111101001 |
3 | 1011212201011100211201 |
4 | 23200020130013221 |
5 | 200243130241210 |
6 | 5401300324201 |
7 | 615023223151 |
oct | 134010340751 |
9 | 34781140751 |
10 | 12350243305 |
11 | 5268432654 |
12 | 24880a3661 |
13 | 121a8a469a |
14 | 85234d761 |
15 | 4c43a653a |
hex | 2e021c1e9 |
12350243305 has 8 divisors (see below), whose sum is σ = 15063247944. Its totient is φ = 9718224000.
The previous prime is 12350243291. The next prime is 12350243309. The reversal of 12350243305 is 50334205321.
It can be written as a sum of positive squares in 4 ways, for example, as 861833449 + 11488409856 = 29357^2 + 107184^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12350243305 - 25 = 12350243273 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12350243309) 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, 20245996 + ... + 20246605.
It is an arithmetic number, because the mean of its divisors is an integer number (1882905993).
Almost surely, 212350243305 is an apocalyptic number.
It is an amenable number.
12350243305 is a deficient number, since it is larger than the sum of its proper divisors (2713004639).
12350243305 is an equidigital number, since it uses as much as digits as its factorization.
12350243305 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40492667.
The product of its (nonzero) digits is 10800, while the sum is 28.
Adding to 12350243305 its reverse (50334205321), we get a palindrome (62684448626).
The spelling of 12350243305 in words is "twelve billion, three hundred fifty million, two hundred forty-three thousand, three hundred five".
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