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68348899 is a prime number
BaseRepresentation
bin1000001001011…
…10101111100011
311202121111001201
410010232233203
5114444131044
610440542031
71456645633
oct404565743
9152544051
1068348899
11356435a3
121aa81917
1311211148
1491126c3
1560017d4
hex412ebe3

68348899 has 2 divisors, whose sum is σ = 68348900. Its totient is φ = 68348898.

The previous prime is 68348897. The next prime is 68348957. The reversal of 68348899 is 99884386.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68348899 - 21 = 68348897 is a prime.

Together with 68348897, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68348897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34174449 + 34174450.

It is an arithmetic number, because the mean of its divisors is an integer number (34174450).

Almost surely, 268348899 is an apocalyptic number.

68348899 is a deficient number, since it is larger than the sum of its proper divisors (1).

68348899 is an equidigital number, since it uses as much as digits as its factorization.

68348899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2985984, while the sum is 55.

The square root of 68348899 is about 8267.3392938720. The cubic root of 68348899 is about 408.8624007332.

The spelling of 68348899 in words is "sixty-eight million, three hundred forty-eight thousand, eight hundred ninety-nine".