Base | Representation |
---|---|
bin | 1001001001110111000011… |
… | …01000110001001110000100 |
3 | 2122021102001110202010000212 |
4 | 10210323201220301032010 |
5 | 10114302221042410040 |
6 | 110451332334454552 |
7 | 4145226136306661 |
oct | 444734150611604 |
9 | 78242043663025 |
10 | 20130002310020 |
11 | 64610a4574779 |
12 | 23113b5064458 |
13 | b303357b6b35 |
14 | 4d8423b68a68 |
15 | 24d963003d65 |
hex | 124ee1a31384 |
20130002310020 has 48 divisors (see below), whose sum is σ = 44943243932160. Its totient is φ = 7556594787456.
The previous prime is 20130002309987. The next prime is 20130002310049. The reversal of 20130002310020 is 2001320003102.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 20130002309977 and 20130002310004.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 412814060 + ... + 412862819.
It is an arithmetic number, because the mean of its divisors is an integer number (936317581920).
Almost surely, 220130002310020 is an apocalyptic number.
20130002310020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20130002310020 is an abundant number, since it is smaller than the sum of its proper divisors (24813241622140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130002310020 is a wasteful number, since it uses less digits than its factorization.
20130002310020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 825676964 (or 825676962 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20130002310020 its reverse (2001320003102), we get a palindrome (22131322313122).
The spelling of 20130002310020 in words is "twenty trillion, one hundred thirty billion, two million, three hundred ten thousand, twenty".
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