Base | Representation |
---|---|
bin | 10110110011101111… |
… | …00001010111010001 |
3 | 1011121101101211010102 |
4 | 23121313201113101 |
5 | 200034224120131 |
6 | 5343023542145 |
7 | 612306005213 |
oct | 133167412721 |
9 | 34541354112 |
10 | 12245145041 |
11 | 5214079788 |
12 | 2458a5a955 |
13 | 1201b9746c |
14 | 8423d25b3 |
15 | 4ba0461cb |
hex | 2d9de15d1 |
12245145041 has 4 divisors (see below), whose sum is σ = 12245372784. Its totient is φ = 12244917300.
The previous prime is 12245144981. The next prime is 12245145083. The reversal of 12245145041 is 14054154221.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 12245145041 - 222 = 12240950737 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12245144995 and 12245145013.
It is not an unprimeable number, because it can be changed into a prime (12245145541) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16646 + ... + 157376.
It is an arithmetic number, because the mean of its divisors is an integer number (3061343196).
Almost surely, 212245145041 is an apocalyptic number.
It is an amenable number.
12245145041 is a deficient number, since it is larger than the sum of its proper divisors (227743).
12245145041 is an equidigital number, since it uses as much as digits as its factorization.
12245145041 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 227742.
The product of its (nonzero) digits is 6400, while the sum is 29.
Adding to 12245145041 its reverse (14054154221), we get a palindrome (26299299262).
The spelling of 12245145041 in words is "twelve billion, two hundred forty-five million, one hundred forty-five thousand, forty-one".
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