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142859711 is a prime number
BaseRepresentation
bin10001000001111…
…01110110111111
3100221211000200102
420200331312333
5243033002321
622101551315
73353200421
oct1040756677
9327730612
10142859711
1173705685
123ba1553b
132379bb97
1414d8a811
15c81dc0b
hex883ddbf

142859711 has 2 divisors, whose sum is σ = 142859712. Its totient is φ = 142859710.

The previous prime is 142859681. The next prime is 142859719. The reversal of 142859711 is 117958241.

It is a strong prime.

It is an emirp because it is prime and its reverse (117958241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142859711 - 222 = 138665407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142859719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71429855 + 71429856.

It is an arithmetic number, because the mean of its divisors is an integer number (71429856).

Almost surely, 2142859711 is an apocalyptic number.

142859711 is a deficient number, since it is larger than the sum of its proper divisors (1).

142859711 is an equidigital number, since it uses as much as digits as its factorization.

142859711 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 38.

The square root of 142859711 is about 11952.3935259847. The cubic root of 142859711 is about 522.7610910959.

The spelling of 142859711 in words is "one hundred forty-two million, eight hundred fifty-nine thousand, seven hundred eleven".