Base | Representation |
---|---|
bin | 111100001101000… |
… | …0111001100001000 |
3 | 12012210012021111002 |
4 | 1320122013030020 |
5 | 13114122023422 |
6 | 532241554132 |
7 | 101026442525 |
oct | 17032071410 |
9 | 5183167432 |
10 | 2020111112 |
11 | 947333418 |
12 | 484645948 |
13 | 262699226 |
14 | 15241214c |
15 | bc536692 |
hex | 78687308 |
2020111112 has 16 divisors (see below), whose sum is σ = 3859175340. Its totient is φ = 990997696.
The previous prime is 2020111111. The next prime is 2020111117. The reversal of 2020111112 is 2111110202.
It can be written as a sum of positive squares in 2 ways, for example, as 2010087556 + 10023556 = 44834^2 + 3166^2 .
It is a junction number, because it is equal to n+sod(n) for n = 2020111093 and 2020111102.
It is not an unprimeable number, because it can be changed into a prime (2020111111) by changing a digit.
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, 2381783 + ... + 2382630.
Almost surely, 22020111112 is an apocalyptic number.
It is an amenable number.
2020111112 is a deficient number, since it is larger than the sum of its proper divisors (1839064228).
2020111112 is a wasteful number, since it uses less digits than its factorization.
2020111112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4764472 (or 4764468 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 11.
The square root of 2020111112 is about 44945.6461962669. The cubic root of 2020111112 is about 1264.1300422340.
Adding to 2020111112 its reverse (2111110202), we get a palindrome (4131221314).
It can be divided in two parts, 20201 and 11112, that added together give a palindrome (31313).
The spelling of 2020111112 in words is "two billion, twenty million, one hundred eleven thousand, one hundred twelve".
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