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68097143 is a prime number
BaseRepresentation
bin1000000111100…
…01010001110111
311202010200201102
410003301101313
5114413102033
610431320315
71454546642
oct403612167
9152120642
1068097143
1135491434
121a98009b
131115368a
149088a59
155ea1de8
hex40f1477

68097143 has 2 divisors, whose sum is σ = 68097144. Its totient is φ = 68097142.

The previous prime is 68097109. The next prime is 68097157. The reversal of 68097143 is 34179086.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68097143 - 28 = 68096887 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68097097 and 68097106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68097343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34048571 + 34048572.

It is an arithmetic number, because the mean of its divisors is an integer number (34048572).

Almost surely, 268097143 is an apocalyptic number.

68097143 is a deficient number, since it is larger than the sum of its proper divisors (1).

68097143 is an equidigital number, since it uses as much as digits as its factorization.

68097143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 68097143 is about 8252.0993086608. The cubic root of 68097143 is about 408.3597825248.

The spelling of 68097143 in words is "sixty-eight million, ninety-seven thousand, one hundred forty-three".