Base | Representation |
---|---|
bin | 111100001111100… |
… | …1001111110011101 |
3 | 12012212200110002222 |
4 | 1320133021332131 |
5 | 13114441330440 |
6 | 532330155125 |
7 | 101043620246 |
oct | 17037117635 |
9 | 5185613088 |
10 | 2021433245 |
11 | 948056797 |
12 | 484b82aa5 |
13 | 262a3cc60 |
14 | 152677ccd |
15 | bc6e82b5 |
hex | 787c9f9d |
2021433245 has 16 divisors (see below), whose sum is σ = 2613582720. Its totient is φ = 1492025664.
The previous prime is 2021433241. The next prime is 2021433283. The reversal of 2021433245 is 5423341202.
It is a cyclic number.
It is not a de Polignac number, because 2021433245 - 22 = 2021433241 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2021433241) 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, 153512 + ... + 166158.
It is an arithmetic number, because the mean of its divisors is an integer number (163348920).
Almost surely, 22021433245 is an apocalyptic number.
It is an amenable number.
2021433245 is a deficient number, since it is larger than the sum of its proper divisors (592149475).
2021433245 is a wasteful number, since it uses less digits than its factorization.
2021433245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15124.
The product of its (nonzero) digits is 5760, while the sum is 26.
The square root of 2021433245 is about 44960.3519225551. The cubic root of 2021433245 is about 1264.4057669278.
Adding to 2021433245 its reverse (5423341202), we get a palindrome (7444774447).
The spelling of 2021433245 in words is "two billion, twenty-one million, four hundred thirty-three thousand, two hundred forty-five".
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