Base | Representation |
---|---|
bin | 111100110111101… |
… | …010010011000101 |
3 | 2122011121120011001 |
4 | 330313222103011 |
5 | 4042413133013 |
6 | 245200213301 |
7 | 34210155556 |
oct | 7467522305 |
9 | 2564546131 |
10 | 1021224133 |
11 | 4844aa896 |
12 | 24600a231 |
13 | 13375b847 |
14 | 998b432d |
15 | 5e9c4ddd |
hex | 3cdea4c5 |
1021224133 has 2 divisors, whose sum is σ = 1021224134. Its totient is φ = 1021224132.
The previous prime is 1021224107. The next prime is 1021224143. The reversal of 1021224133 is 3314221201.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 621903844 + 399320289 = 24938^2 + 19983^2 .
It is a cyclic number.
It is not a de Polignac number, because 1021224133 - 25 = 1021224101 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1021224133.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1021224143) 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 as a sum of consecutive naturals, namely, 510612066 + 510612067.
It is an arithmetic number, because the mean of its divisors is an integer number (510612067).
Almost surely, 21021224133 is an apocalyptic number.
It is an amenable number.
1021224133 is a deficient number, since it is larger than the sum of its proper divisors (1).
1021224133 is an equidigital number, since it uses as much as digits as its factorization.
1021224133 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 288, while the sum is 19.
The square root of 1021224133 is about 31956.5976443050. The cubic root of 1021224133 is about 1007.0252414085.
Adding to 1021224133 its reverse (3314221201), we get a palindrome (4335445334).
The spelling of 1021224133 in words is "one billion, twenty-one million, two hundred twenty-four thousand, one hundred thirty-three".
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