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142131179 is a prime number
BaseRepresentation
bin10000111100010…
…11111111101011
3100220110000022202
420132023333223
5242341144204
622034210415
73344044421
oct1036137753
9326400282
10142131179
1173258293
123b723a0b
13235a53b8
1414c3b111
15c727e1e
hex878bfeb

142131179 has 2 divisors, whose sum is σ = 142131180. Its totient is φ = 142131178.

The previous prime is 142131163. The next prime is 142131217. The reversal of 142131179 is 971131241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142131179 - 24 = 142131163 is a prime.

It is a Chen prime.

It is equal to p8025662 and since 142131179 and 8025662 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (142131779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71065589 + 71065590.

It is an arithmetic number, because the mean of its divisors is an integer number (71065590).

Almost surely, 2142131179 is an apocalyptic number.

142131179 is a deficient number, since it is larger than the sum of its proper divisors (1).

142131179 is an equidigital number, since it uses as much as digits as its factorization.

142131179 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1512, while the sum is 29.

The square root of 142131179 is about 11921.8781657925. The cubic root of 142131179 is about 521.8709464540.

The spelling of 142131179 in words is "one hundred forty-two million, one hundred thirty-one thousand, one hundred seventy-nine".