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230143210081 is a prime number
BaseRepresentation
bin1101011001010110011…
…0101011001001100001
3211000001002001102011121
43112111212223021201
512232313130210311
6253420515412241
722425110002651
oct3262546531141
9730032042147
10230143210081
118966a92a074
123872a5b4081
1318919276765
14b1d3568361
155ebe93ab71
hex35959ab261

230143210081 has 2 divisors, whose sum is σ = 230143210082. Its totient is φ = 230143210080.

The previous prime is 230143209971. The next prime is 230143210091. The reversal of 230143210081 is 180012341032.

It is a happy number.

230143210081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 122192193600 + 107951016481 = 349560^2 + 328559^2 .

It is a cyclic number.

It is not a de Polignac number, because 230143210081 - 213 = 230143201889 is a prime.

It is a super-2 number, since 2×2301432100812 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230143210091) 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 as a sum of consecutive naturals, namely, 115071605040 + 115071605041.

It is an arithmetic number, because the mean of its divisors is an integer number (115071605041).

Almost surely, 2230143210081 is an apocalyptic number.

It is an amenable number.

230143210081 is a deficient number, since it is larger than the sum of its proper divisors (1).

230143210081 is an equidigital number, since it uses as much as digits as its factorization.

230143210081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The spelling of 230143210081 in words is "two hundred thirty billion, one hundred forty-three million, two hundred ten thousand, eighty-one".