Base | Representation |
---|---|
bin | 111100001101010… |
… | …0010000001010100 |
3 | 12012210101212020110 |
4 | 1320122202001110 |
5 | 13114134033022 |
6 | 532244203020 |
7 | 101030411115 |
oct | 17032420124 |
9 | 5183355213 |
10 | 2020221012 |
11 | 9473a8a47 |
12 | 484699470 |
13 | 262707264 |
14 | 15244020c |
15 | bc55900c |
hex | 786a2054 |
2020221012 has 24 divisors (see below), whose sum is σ = 4823474656. Its totient is φ = 657746208.
The previous prime is 2020221011. The next prime is 2020221019. The reversal of 2020221012 is 2101220202.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020221011) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1957063 + ... + 1958094.
Almost surely, 22020221012 is an apocalyptic number.
It is an amenable number.
2020221012 is an abundant number, since it is smaller than the sum of its proper divisors (2803253644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2020221012 is a wasteful number, since it uses less digits than its factorization.
2020221012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3915207 (or 3915205 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 12.
The square root of 2020221012 is about 44946.8687674681. The cubic root of 2020221012 is about 1264.1529659520.
Adding to 2020221012 its reverse (2101220202), we get a palindrome (4121441214).
It can be divided in two parts, 20202 and 21012, that multiplied together give a palindrome (424484424).
The spelling of 2020221012 in words is "two billion, twenty million, two hundred twenty-one thousand, twelve".
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