Base | Representation |
---|---|
bin | 1011110001101000001… |
… | …0000100011101011001 |
3 | 201100011122112121122111 |
4 | 2330122002010131121 |
5 | 11303302323304311 |
6 | 232534015352321 |
7 | 20421121303411 |
oct | 2743202043531 |
9 | 640148477574 |
10 | 202300213081 |
11 | 7888221834a |
12 | 33259b226a1 |
13 | 160cca3a2c5 |
14 | 9b117a7641 |
15 | 53e0388d21 |
hex | 2f1a084759 |
202300213081 has 2 divisors, whose sum is σ = 202300213082. Its totient is φ = 202300213080.
The previous prime is 202300213069. The next prime is 202300213121. The reversal of 202300213081 is 180312003202.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 170407968025 + 31892245056 = 412805^2 + 178584^2 .
It is a cyclic number.
It is not a de Polignac number, because 202300213081 - 223 = 202291824473 is a prime.
It is a super-2 number, since 2×2023002130812 (a number of 23 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (202300213481) 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, 101150106540 + 101150106541.
It is an arithmetic number, because the mean of its divisors is an integer number (101150106541).
Almost surely, 2202300213081 is an apocalyptic number.
It is an amenable number.
202300213081 is a deficient number, since it is larger than the sum of its proper divisors (1).
202300213081 is an equidigital number, since it uses as much as digits as its factorization.
202300213081 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 22.
Adding to 202300213081 its reverse (180312003202), we get a palindrome (382612216283).
The spelling of 202300213081 in words is "two hundred two billion, three hundred million, two hundred thirteen thousand, eighty-one".
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