Base | Representation |
---|---|
bin | 10010101110110101… |
… | …111000100011011100 |
3 | 1220220201120221200002 |
4 | 102232311320203130 |
5 | 312142441330134 |
6 | 13123452153432 |
7 | 1311265430435 |
oct | 225665704334 |
9 | 56821527602 |
10 | 20113230044 |
11 | 8591437476 |
12 | 3a93a68878 |
13 | 1b86ca126b |
14 | d8b35c48c |
15 | 7cab8587e |
hex | 4aed788dc |
20113230044 has 12 divisors (see below), whose sum is σ = 36149454264. Its totient is φ = 9784814544.
The previous prime is 20113230023. The next prime is 20113230047. The reversal of 20113230044 is 44003231102.
It is a junction number, because it is equal to n+sod(n) for n = 20113229998 and 20113230025.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20113230047) 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, 67949954 + ... + 67950249.
It is an arithmetic number, because the mean of its divisors is an integer number (3012454522).
Almost surely, 220113230044 is an apocalyptic number.
It is an amenable number.
20113230044 is a deficient number, since it is larger than the sum of its proper divisors (16036224220).
20113230044 is a wasteful number, since it uses less digits than its factorization.
20113230044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135900244 (or 135900242 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 20113230044 its reverse (44003231102), we get a palindrome (64116461146).
The spelling of 20113230044 in words is "twenty billion, one hundred thirteen million, two hundred thirty thousand, forty-four".
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