Base | Representation |
---|---|
bin | 111011111111111… |
… | …1010101011011011 |
3 | 12012022021101202011 |
4 | 1313333322223123 |
5 | 13110342302443 |
6 | 531434450351 |
7 | 100614202252 |
oct | 16777725333 |
9 | 5168241664 |
10 | 2013244123 |
11 | 943473120 |
12 | 4822939b7 |
13 | 261133717 |
14 | 151545799 |
15 | bbb2bb9d |
hex | 77ffaadb |
2013244123 has 16 divisors (see below), whose sum is σ = 2313360000. Its totient is φ = 1732769280.
The previous prime is 2013244109. The next prime is 2013244147. The reversal of 2013244123 is 3214423102.
It is not a de Polignac number, because 2013244123 - 29 = 2013243611 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 2013244094 and 2013244103.
It is not an unprimeable number, because it can be changed into a prime (2013244153) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 573628 + ... + 577126.
It is an arithmetic number, because the mean of its divisors is an integer number (144585000).
Almost surely, 22013244123 is an apocalyptic number.
2013244123 is a deficient number, since it is larger than the sum of its proper divisors (300115877).
2013244123 is a wasteful number, since it uses less digits than its factorization.
2013244123 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6282.
The product of its (nonzero) digits is 1152, while the sum is 22.
The square root of 2013244123 is about 44869.1890165178. The cubic root of 2013244123 is about 1262.6960250861.
Adding to 2013244123 its reverse (3214423102), we get a palindrome (5227667225).
The spelling of 2013244123 in words is "two billion, thirteen million, two hundred forty-four thousand, one hundred twenty-three".
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