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142568065 = 5101282313
BaseRepresentation
bin10000111111101…
…10101010000001
3100221021012121201
420133312222001
5242444134230
622051421201
73350544223
oct1037665201
9327235551
10142568065
1173526552
123b8b4801
13236c9203
1414d12413
15c7b25ca
hex87f6a81

142568065 has 8 divisors (see below), whose sum is σ = 172776168. Its totient is φ = 112924800.

The previous prime is 142568059. The next prime is 142568143. The reversal of 142568065 is 560865241.

142568065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9096256 + 133471809 = 3016^2 + 11553^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142568065 - 25 = 142568033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140652 + ... + 141661.

It is an arithmetic number, because the mean of its divisors is an integer number (21597021).

Almost surely, 2142568065 is an apocalyptic number.

It is an amenable number.

142568065 is a deficient number, since it is larger than the sum of its proper divisors (30208103).

142568065 is a wasteful number, since it uses less digits than its factorization.

142568065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282419.

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 142568065 is about 11940.1869750854. The cubic root of 142568065 is about 522.4051123831.

The spelling of 142568065 in words is "one hundred forty-two million, five hundred sixty-eight thousand, sixty-five".

Divisors: 1 5 101 505 282313 1411565 28513613 142568065