Base | Representation |
---|---|
bin | 111100001111100… |
… | …1100011000111010 |
3 | 12012212200221200002 |
4 | 1320133030120322 |
5 | 13114442140010 |
6 | 532330313002 |
7 | 101043661130 |
oct | 17037143072 |
9 | 5185627602 |
10 | 2021443130 |
11 | 948063163 |
12 | 484b88762 |
13 | 262a445c5 |
14 | 15267b750 |
15 | bc6eb1a5 |
hex | 787cc63a |
2021443130 has 32 divisors (see below), whose sum is σ = 4216976640. Its totient is φ = 683303040.
The previous prime is 2021443103. The next prime is 2021443139. The reversal of 2021443130 is 313441202.
It is not an unprimeable number, because it can be changed into a prime (2021443139) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198395 + ... + 208334.
It is an arithmetic number, because the mean of its divisors is an integer number (131780520).
Almost surely, 22021443130 is an apocalyptic number.
2021443130 is an abundant number, since it is smaller than the sum of its proper divisors (2195533510).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2021443130 is a wasteful number, since it uses less digits than its factorization.
2021443130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 406814.
The product of its (nonzero) digits is 576, while the sum is 20.
The square root of 2021443130 is about 44960.4618526100. The cubic root of 2021443130 is about 1264.4078279458.
Adding to 2021443130 its reverse (313441202), we get a palindrome (2334884332).
The spelling of 2021443130 in words is "two billion, twenty-one million, four hundred forty-three thousand, one hundred thirty".
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