Base | Representation |
---|---|
bin | 111100001111010… |
… | …1111000100011001 |
3 | 12012212110211221001 |
4 | 1320132233010121 |
5 | 13114424314113 |
6 | 532323545001 |
7 | 101042651032 |
oct | 17036570431 |
9 | 5185424831 |
10 | 2021323033 |
11 | 947a90a04 |
12 | 484b2b161 |
13 | 262a01a42 |
14 | 152649a89 |
15 | bc6c57dd |
hex | 787af119 |
2021323033 has 4 divisors (see below), whose sum is σ = 2034197860. Its totient is φ = 2008448208.
The previous prime is 2021323027. The next prime is 2021323043. The reversal of 2021323033 is 3303231202.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3303231202 = 2 ⋅1651615601.
It can be written as a sum of positive squares in 2 ways, for example, as 1514532889 + 506790144 = 38917^2 + 22512^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2021323033 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2021323033.
It is not an unprimeable number, because it can be changed into a prime (2021323043) 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 3 ways as a sum of consecutive naturals, for example, 6437178 + ... + 6437491.
It is an arithmetic number, because the mean of its divisors is an integer number (508549465).
Almost surely, 22021323033 is an apocalyptic number.
It is an amenable number.
2021323033 is a deficient number, since it is larger than the sum of its proper divisors (12874827).
2021323033 is a wasteful number, since it uses less digits than its factorization.
2021323033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12874826.
The product of its (nonzero) digits is 648, while the sum is 19.
The square root of 2021323033 is about 44959.1262481824. The cubic root of 2021323033 is about 1264.3827873214.
Adding to 2021323033 its reverse (3303231202), we get a palindrome (5324554235).
The spelling of 2021323033 in words is "two billion, twenty-one million, three hundred twenty-three thousand, thirty-three".
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