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69120143 is a prime number
BaseRepresentation
bin1000001111010…
…11000010001111
311211001200000022
410013223002033
5120143321033
610505252355
71466340311
oct407530217
9154050008
1069120143
113601aa94
121b1940bb
13114211c1
1492737b1
156105098
hex41eb08f

69120143 has 2 divisors, whose sum is σ = 69120144. Its totient is φ = 69120142.

The previous prime is 69120101. The next prime is 69120167. The reversal of 69120143 is 34102196.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 69120143 - 28 = 69119887 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69120343) 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, 34560071 + 34560072.

It is an arithmetic number, because the mean of its divisors is an integer number (34560072).

Almost surely, 269120143 is an apocalyptic number.

69120143 is a deficient number, since it is larger than the sum of its proper divisors (1).

69120143 is an equidigital number, since it uses as much as digits as its factorization.

69120143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 69120143 is about 8313.8524764395. The cubic root of 69120143 is about 410.3945102191.

The spelling of 69120143 in words is "sixty-nine million, one hundred twenty thousand, one hundred forty-three".