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142168673 is a prime number
BaseRepresentation
bin10000111100101…
…01001001100001
3100220111220202102
420132111021201
5242343344143
622035100145
73344261633
oct1036251141
9326456672
10142168673
1173283479
123b741655
13235b949a
1414c4aa53
15c7340b8
hex8795261

142168673 has 2 divisors, whose sum is σ = 142168674. Its totient is φ = 142168672.

The previous prime is 142168661. The next prime is 142168679. The reversal of 142168673 is 376861241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82755409 + 59413264 = 9097^2 + 7708^2 .

It is a cyclic number.

It is not a de Polignac number, because 142168673 - 28 = 142168417 is a prime.

It is not a weakly prime, because it can be changed into another prime (142168679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71084336 + 71084337.

It is an arithmetic number, because the mean of its divisors is an integer number (71084337).

Almost surely, 2142168673 is an apocalyptic number.

It is an amenable number.

142168673 is a deficient number, since it is larger than the sum of its proper divisors (1).

142168673 is an equidigital number, since it uses as much as digits as its factorization.

142168673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 38.

The square root of 142168673 is about 11923.4505492328. The cubic root of 142168673 is about 521.9168320203.

The spelling of 142168673 in words is "one hundred forty-two million, one hundred sixty-eight thousand, six hundred seventy-three".