Base | Representation |
---|---|
bin | 111011111111111… |
… | …1010101101010011 |
3 | 12012022021101220121 |
4 | 1313333322231103 |
5 | 13110342303433 |
6 | 531434451111 |
7 | 100614202513 |
oct | 16777725523 |
9 | 5168241817 |
10 | 2013244243 |
11 | 94347321a |
12 | 482293a97 |
13 | 2611337aa |
14 | 151545843 |
15 | bbb2bc2d |
hex | 77ffab53 |
2013244243 has 2 divisors, whose sum is σ = 2013244244. Its totient is φ = 2013244242.
The previous prime is 2013244241. The next prime is 2013244249. The reversal of 2013244243 is 3424423102.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 2013244243 - 21 = 2013244241 is a prime.
Together with 2013244241, it forms a pair of twin primes.
It is not a weakly prime, because it can be changed into another prime (2013244241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1006622121 + 1006622122.
It is an arithmetic number, because the mean of its divisors is an integer number (1006622122).
Almost surely, 22013244243 is an apocalyptic number.
2013244243 is a deficient number, since it is larger than the sum of its proper divisors (1).
2013244243 is an equidigital number, since it uses as much as digits as its factorization.
2013244243 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 25.
The square root of 2013244243 is about 44869.1903537383. The cubic root of 2013244243 is about 1262.6960501739.
Adding to 2013244243 its reverse (3424423102), we get a palindrome (5437667345).
The spelling of 2013244243 in words is "two billion, thirteen million, two hundred forty-four thousand, two hundred forty-three".
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