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142856113 is a prime number
BaseRepresentation
bin10001000001111…
…00111110110001
3100221210211202011
420200330332301
5243032343423
622101522521
73353154061
oct1040747661
9327724664
10142856113
1173702a04
123ba13441
132379a35a
1414d893a1
15c81cb0d
hex883cfb1

142856113 has 2 divisors, whose sum is σ = 142856114. Its totient is φ = 142856112.

The previous prime is 142856111. The next prime is 142856143. The reversal of 142856113 is 311658241.

142856113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125283249 + 17572864 = 11193^2 + 4192^2 .

It is a cyclic number.

It is not a de Polignac number, because 142856113 - 21 = 142856111 is a prime.

Together with 142856111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (142856111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71428056 + 71428057.

It is an arithmetic number, because the mean of its divisors is an integer number (71428057).

Almost surely, 2142856113 is an apocalyptic number.

It is an amenable number.

142856113 is a deficient number, since it is larger than the sum of its proper divisors (1).

142856113 is an equidigital number, since it uses as much as digits as its factorization.

142856113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5760, while the sum is 31.

The square root of 142856113 is about 11952.2430112511. The cubic root of 142856113 is about 522.7567023843.

The spelling of 142856113 in words is "one hundred forty-two million, eight hundred fifty-six thousand, one hundred thirteen".