Base | Representation |
---|---|
bin | 111100001101010… |
… | …0010001000011101 |
3 | 12012210101212212101 |
4 | 1320122202020131 |
5 | 13114134041334 |
6 | 532244205101 |
7 | 101030412340 |
oct | 17032421035 |
9 | 5183355771 |
10 | 2020221469 |
11 | 9473a9322 |
12 | 484699791 |
13 | 262707526 |
14 | 152440457 |
15 | bc559214 |
hex | 786a221d |
2020221469 has 8 divisors (see below), whose sum is σ = 2444637888. Its totient is φ = 1629758400.
The previous prime is 2020221449. The next prime is 2020221481. The reversal of 2020221469 is 9641220202.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2020221469 is a prime.
It is a super-2 number, since 2×20202214692 = 8162589567617035922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2020221409) 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, 8488207 + ... + 8488444.
It is an arithmetic number, because the mean of its divisors is an integer number (305579736).
Almost surely, 22020221469 is an apocalyptic number.
It is an amenable number.
2020221469 is a deficient number, since it is larger than the sum of its proper divisors (424416419).
2020221469 is a wasteful number, since it uses less digits than its factorization.
2020221469 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16976675.
The product of its (nonzero) digits is 3456, while the sum is 28.
The square root of 2020221469 is about 44946.8738512480. The cubic root of 2020221469 is about 1264.1530612746.
The spelling of 2020221469 in words is "two billion, twenty million, two hundred twenty-one thousand, four hundred sixty-nine".
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