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142206179 is a prime number
BaseRepresentation
bin10000111100111…
…10010011100011
3100220120211012112
420132132103203
5242401044204
622035545535
73344506163
oct1036362343
9326524175
10142206179
11732a9675
123b75b2ab
132360058b
1414c5a5a3
15c74026e
hex879e4e3

142206179 has 2 divisors, whose sum is σ = 142206180. Its totient is φ = 142206178.

The previous prime is 142206167. The next prime is 142206199. The reversal of 142206179 is 971602241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142206179 - 28 = 142205923 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (142206149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71103089 + 71103090.

It is an arithmetic number, because the mean of its divisors is an integer number (71103090).

Almost surely, 2142206179 is an apocalyptic number.

142206179 is a deficient number, since it is larger than the sum of its proper divisors (1).

142206179 is an equidigital number, since it uses as much as digits as its factorization.

142206179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 142206179 is about 11925.0232284889. The cubic root of 142206179 is about 521.9627242017.

The spelling of 142206179 in words is "one hundred forty-two million, two hundred six thousand, one hundred seventy-nine".