Base | Representation |
---|---|
bin | 111111001111011… |
… | …0111000000010111 |
3 | 12110212221201121100 |
4 | 1332132313000113 |
5 | 13321214100324 |
6 | 550322121143 |
7 | 103404601563 |
oct | 17636670027 |
9 | 5425851540 |
10 | 2122018839 |
11 | 999908186 |
12 | 4b27b01b3 |
13 | 27a82a165 |
14 | 161b7c6a3 |
15 | c64664c9 |
hex | 7e7b7017 |
2122018839 has 24 divisors (see below), whose sum is σ = 3183448320. Its totient is φ = 1361096208.
The previous prime is 2122018817. The next prime is 2122018853. The reversal of 2122018839 is 9388102212.
It is not a de Polignac number, because 2122018839 - 227 = 1987801111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122018879) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17557 + ... + 67470.
It is an arithmetic number, because the mean of its divisors is an integer number (132643680).
Almost surely, 22122018839 is an apocalyptic number.
2122018839 is a deficient number, since it is larger than the sum of its proper divisors (1061429481).
2122018839 is a wasteful number, since it uses less digits than its factorization.
2122018839 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 85139 (or 85136 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 36.
The square root of 2122018839 is about 46065.3757067062. The cubic root of 2122018839 is about 1285.0393057769.
The spelling of 2122018839 in words is "two billion, one hundred twenty-two million, eighteen thousand, eight hundred thirty-nine".
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