Base | Representation |
---|---|
bin | 11000101000101100… |
… | …00011011111111001 |
3 | 1021010202110222112101 |
4 | 30110112003133321 |
5 | 204041403241310 |
6 | 10024231543401 |
7 | 645521036425 |
oct | 142426033771 |
9 | 37122428471 |
10 | 13226227705 |
11 | 56779516a9 |
12 | 269152ab61 |
13 | 132a20cc52 |
14 | 8d6817b85 |
15 | 52623c43a |
hex | 3145837f9 |
13226227705 has 8 divisors (see below), whose sum is σ = 16131661704. Its totient is φ = 10407523200.
The previous prime is 13226227691. The next prime is 13226227753. The reversal of 13226227705 is 50772262231.
It can be written as a sum of positive squares in 4 ways, for example, as 1943751744 + 11282475961 = 44088^2 + 106219^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 13226227705 - 29 = 13226227193 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21682036 + ... + 21682645.
It is an arithmetic number, because the mean of its divisors is an integer number (2016457713).
Almost surely, 213226227705 is an apocalyptic number.
It is an amenable number.
13226227705 is a deficient number, since it is larger than the sum of its proper divisors (2905433999).
13226227705 is an equidigital number, since it uses as much as digits as its factorization.
13226227705 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43364747.
The product of its (nonzero) digits is 70560, while the sum is 37.
Adding to 13226227705 its reverse (50772262231), we get a palindrome (63998489936).
The spelling of 13226227705 in words is "thirteen billion, two hundred twenty-six million, two hundred twenty-seven thousand, seven hundred five".
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