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68224216843 is a prime number
BaseRepresentation
bin111111100010011110…
…101110111100001011
320112002122220022100001
4333202132232330023
52104210344414333
651201453423431
74633442163166
oct774236567413
9215078808301
1068224216843
1126a2a878992
121128019ab77
1365835861a3
143432c44add
151b9478cb7d
hexfe27aef0b

68224216843 has 2 divisors, whose sum is σ = 68224216844. Its totient is φ = 68224216842.

The previous prime is 68224216741. The next prime is 68224216867. The reversal of 68224216843 is 34861242286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68224216843 - 225 = 68190662411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68224216793 and 68224216802.

It is not a weakly prime, because it can be changed into another prime (68224616843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34112108421 + 34112108422.

It is an arithmetic number, because the mean of its divisors is an integer number (34112108422).

Almost surely, 268224216843 is an apocalyptic number.

68224216843 is a deficient number, since it is larger than the sum of its proper divisors (1).

68224216843 is an equidigital number, since it uses as much as digits as its factorization.

68224216843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 884736, while the sum is 46.

The spelling of 68224216843 in words is "sixty-eight billion, two hundred twenty-four million, two hundred sixteen thousand, eight hundred forty-three".