Base | Representation |
---|---|
bin | 10000111111101… |
… | …10101010000000 |
3 | 100221021012121200 |
4 | 20133312222000 |
5 | 242444134224 |
6 | 22051421200 |
7 | 3350544222 |
oct | 1037665200 |
9 | 327235550 |
10 | 142568064 |
11 | 73526551 |
12 | 3b8b4800 |
13 | 236c9202 |
14 | 14d12412 |
15 | c7b25c9 |
hex | 87f6a80 |
142568064 has 48 divisors (see below), whose sum is σ = 410257770. Its totient is φ = 47522304.
The previous prime is 142568059. The next prime is 142568143. The reversal of 142568064 is 460865241.
142568064 is digitally balanced in base 3, 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 only one way, i.e., 107993664 + 34574400 = 10392^2 + 5880^2 .
It is a tau number, because it is divible by the number of its divisors (48).
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 60727 + ... + 63030.
Almost surely, 2142568064 is an apocalyptic number.
It is an amenable number.
142568064 is an abundant number, since it is smaller than the sum of its proper divisors (267689706).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142568064 is a wasteful number, since it uses less digits than its factorization.
142568064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 123777 (or 123762 counting only the distinct ones).
The product of its (nonzero) digits is 46080, while the sum is 36.
The square root of 142568064 is about 11940.1869332100. The cubic root of 142568064 is about 522.4051111617.
The spelling of 142568064 in words is "one hundred forty-two million, five hundred sixty-eight thousand, sixty-four".
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