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230133232457 is a prime number
BaseRepresentation
bin1101011001010100000…
…0100111001101001001
3211000000101021111102222
43112111000213031021
512232303101414312
6253415521503425
722424626125452
oct3262500471511
9730011244388
10230133232457
11896652347a7
12387271a1b75
131891719213b
14b1d20cc129
155ebdb19672
hex3595027349

230133232457 has 2 divisors, whose sum is σ = 230133232458. Its totient is φ = 230133232456.

The previous prime is 230133232397. The next prime is 230133232481. The reversal of 230133232457 is 754232331032.

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., 212309914441 + 17823318016 = 460771^2 + 133504^2 .

It is a cyclic number.

It is not a de Polignac number, because 230133232457 - 214 = 230133216073 is a prime.

It is a super-2 number, since 2×2301332324572 (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (230133231457) 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, 115066616228 + 115066616229.

It is an arithmetic number, because the mean of its divisors is an integer number (115066616229).

Almost surely, 2230133232457 is an apocalyptic number.

It is an amenable number.

230133232457 is a deficient number, since it is larger than the sum of its proper divisors (1).

230133232457 is an equidigital number, since it uses as much as digits as its factorization.

230133232457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 35.

Adding to 230133232457 its reverse (754232331032), we get a palindrome (984365563489).

The spelling of 230133232457 in words is "two hundred thirty billion, one hundred thirty-three million, two hundred thirty-two thousand, four hundred fifty-seven".