Base | Representation |
---|---|
bin | 111100001101000… |
… | …0111001101101100 |
3 | 12012210012021121210 |
4 | 1320122013031230 |
5 | 13114122024322 |
6 | 532241554420 |
7 | 101026443030 |
oct | 17032071554 |
9 | 5183167553 |
10 | 2020111212 |
11 | 9473334a9 |
12 | 484645a10 |
13 | 2626992a2 |
14 | 1524121c0 |
15 | bc53670c |
hex | 7868736c |
2020111212 has 48 divisors (see below), whose sum is σ = 5455170560. Its totient is φ = 569866752.
The previous prime is 2020111193. The next prime is 2020111213. The reversal of 2020111212 is 2121110202.
2020111212 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is not an unprimeable number, because it can be changed into a prime (2020111213) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145573 + ... + 158844.
Almost surely, 22020111212 is an apocalyptic number.
It is an amenable number.
2020111212 is an abundant number, since it is smaller than the sum of its proper divisors (3435059348).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020111212 is a wasteful number, since it uses less digits than its factorization.
2020111212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 304510 (or 304508 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 12.
The square root of 2020111212 is about 44945.6473087217. The cubic root of 2020111212 is about 1264.1300630931.
Adding to 2020111212 its reverse (2121110202), we get a palindrome (4141221414).
It can be divided in two parts, 20201 and 11212, that added together give a palindrome (31413).
The spelling of 2020111212 in words is "two billion, twenty million, one hundred eleven thousand, two hundred twelve".
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