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202300213081 is a prime number
BaseRepresentation
bin1011110001101000001…
…0000100011101011001
3201100011122112121122111
42330122002010131121
511303302323304311
6232534015352321
720421121303411
oct2743202043531
9640148477574
10202300213081
117888221834a
1233259b226a1
13160cca3a2c5
149b117a7641
1553e0388d21
hex2f1a084759

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".