Base | Representation |
---|---|
bin | 11101011010010011101… |
… | …010011111110010010000 |
3 | 21011012211202211121000220 |
4 | 131122103222133302100 |
5 | 231103214134120422 |
6 | 4144252552513040 |
7 | 266010016500063 |
oct | 35322352376220 |
9 | 7135752747026 |
10 | 2021112020112 |
11 | 70a170054a99 |
12 | 2878563ab780 |
13 | 11878943ab73 |
14 | 6db727228da |
15 | 378916a5e5c |
hex | 1d693a9fc90 |
2021112020112 has 80 divisors (see below), whose sum is σ = 5526371497920. Its totient is φ = 634719628800.
The previous prime is 2021112020089. The next prime is 2021112020159. The reversal of 2021112020112 is 2110202111202.
It is a junction number, because it is equal to n+sod(n) for n = 2021112020091 and 2021112020100.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5956839 + ... + 6286982.
It is an arithmetic number, because the mean of its divisors is an integer number (69079643724).
Almost surely, 22021112020112 is an apocalyptic number.
It is an amenable number.
2021112020112 is an abundant number, since it is smaller than the sum of its proper divisors (3505259477808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021112020112 is a wasteful number, since it uses less digits than its factorization.
2021112020112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12244032 (or 12244026 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 15.
Adding to 2021112020112 its reverse (2110202111202), we get a palindrome (4131314131314).
The spelling of 2021112020112 in words is "two trillion, twenty-one billion, one hundred twelve million, twenty thousand, one hundred twelve".
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