Base | Representation |
---|---|
bin | 10010101000001110… |
… | …000100100001011100 |
3 | 1220121222112111002002 |
4 | 102220032010201130 |
5 | 311431021130022 |
6 | 13104443021432 |
7 | 1305446204564 |
oct | 225016044134 |
9 | 56558474062 |
10 | 20002130012 |
11 | 8534754367 |
12 | 3a6280a878 |
13 | 1b69c722b7 |
14 | d7a6bbda4 |
15 | 7c103c092 |
hex | 4a838485c |
20002130012 has 12 divisors (see below), whose sum is σ = 35005112016. Its totient is φ = 10000669440.
The previous prime is 20002129993. The next prime is 20002130051. The reversal of 20002130012 is 21003120002.
It is a happy number.
It is a super-2 number, since 2×200021300122 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20002129975 and 20002130002.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35033 + ... + 203055.
It is an arithmetic number, because the mean of its divisors is an integer number (2917092668).
Almost surely, 220002130012 is an apocalyptic number.
It is an amenable number.
20002130012 is a deficient number, since it is larger than the sum of its proper divisors (15002982004).
20002130012 is a wasteful number, since it uses less digits than its factorization.
20002130012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197788 (or 197786 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 11.
Adding to 20002130012 its reverse (21003120002), we get a palindrome (41005250014).
The spelling of 20002130012 in words is "twenty billion, two million, one hundred thirty thousand, twelve".
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