Base | Representation |
---|---|
bin | 10010101111111001… |
… | …110010010100011100 |
3 | 1220221222002022000211 |
4 | 102233321302110130 |
5 | 312212020432200 |
6 | 13125325502204 |
7 | 1311602635303 |
oct | 225771622434 |
9 | 56858068024 |
10 | 20131030300 |
11 | 85a0495027 |
12 | 3a99a11964 |
13 | 1b8a894364 |
14 | d8d87343a |
15 | 7cc4eeaba |
hex | 4afe7251c |
20131030300 has 36 divisors (see below), whose sum is σ = 44865001720. Its totient is φ = 7834777920.
The previous prime is 20131030289. The next prime is 20131030303. The reversal of 20131030300 is 303013102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20131030303) 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 11 ways as a sum of consecutive naturals, for example, 2716710 + ... + 2724109.
Almost surely, 220131030300 is an apocalyptic number.
20131030300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20131030300 is an abundant number, since it is smaller than the sum of its proper divisors (24733971420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20131030300 is a wasteful number, since it uses less digits than its factorization.
20131030300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5440870 (or 5440863 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 13.
Adding to 20131030300 its reverse (303013102), we get a palindrome (20434043402).
The spelling of 20131030300 in words is "twenty billion, one hundred thirty-one million, thirty thousand, three hundred".
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