Base | Representation |
---|---|
bin | 10110101111111101… |
… | …00000010100000011 |
3 | 1011112011201002100121 |
4 | 23113332200110003 |
5 | 200003113440230 |
6 | 5335532001111 |
7 | 611442240214 |
oct | 132776402403 |
9 | 34464632317 |
10 | 12213421315 |
11 | 51a8181227 |
12 | 244a300197 |
13 | 11c843aa24 |
14 | 83c0d540b |
15 | 4b737b77a |
hex | 2d7fa0503 |
12213421315 has 16 divisors (see below), whose sum is σ = 14701305600. Its totient is φ = 9740654560.
The previous prime is 12213421313. The next prime is 12213421321. The reversal of 12213421315 is 51312431221.
12213421315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12213421315 - 21 = 12213421313 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 12213421315.
It is not an unprimeable number, because it can be changed into a prime (12213421313) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2474400 + ... + 2479330.
It is an arithmetic number, because the mean of its divisors is an integer number (918831600).
Almost surely, 212213421315 is an apocalyptic number.
12213421315 is a deficient number, since it is larger than the sum of its proper divisors (2487884285).
12213421315 is an equidigital number, since it uses as much as digits as its factorization.
12213421315 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6362.
The product of its digits is 1440, while the sum is 25.
Adding to 12213421315 its reverse (51312431221), we get a palindrome (63525852536).
The spelling of 12213421315 in words is "twelve billion, two hundred thirteen million, four hundred twenty-one thousand, three hundred fifteen".
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