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68233211 is a prime number
BaseRepresentation
bin1000001000100…
…10011111111011
311202101121100222
410010102133323
5114431430321
610434250255
71455654434
oct404223773
9152347328
1068233211
1135574692
121aa2698b
13111a05a7
1490c248b
155ecc3ab
hex41127fb

68233211 has 2 divisors, whose sum is σ = 68233212. Its totient is φ = 68233210.

The previous prime is 68233147. The next prime is 68233213. The reversal of 68233211 is 11233286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68233211 - 26 = 68233147 is a prime.

Together with 68233213, 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 (68233213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34116605 + 34116606.

It is an arithmetic number, because the mean of its divisors is an integer number (34116606).

Almost surely, 268233211 is an apocalyptic number.

68233211 is a deficient number, since it is larger than the sum of its proper divisors (1).

68233211 is an equidigital number, since it uses as much as digits as its factorization.

68233211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 68233211 is about 8260.3396419276. The cubic root of 68233211 is about 408.6315889897.

Adding to 68233211 its reverse (11233286), we get a palindrome (79466497).

The spelling of 68233211 in words is "sixty-eight million, two hundred thirty-three thousand, two hundred eleven".