Base | Representation |
---|---|
bin | 10000111111101… |
… | …11001010100000 |
3 | 100221021022110201 |
4 | 20133313022200 |
5 | 242444221034 |
6 | 22051434544 |
7 | 3350553253 |
oct | 1037671240 |
9 | 327238421 |
10 | 142570144 |
11 | 73528072 |
12 | 3b8b5a54 |
13 | 236ca142 |
14 | 14d1309a |
15 | c7b3014 |
hex | 87f72a0 |
142570144 has 24 divisors (see below), whose sum is σ = 281957760. Its totient is φ = 70961856.
The previous prime is 142570121. The next prime is 142570157. The reversal of 142570144 is 441075241.
142570144 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2854 + ... + 17125.
It is an arithmetic number, because the mean of its divisors is an integer number (11748240).
Almost surely, 2142570144 is an apocalyptic number.
It is an amenable number.
142570144 is a deficient number, since it is larger than the sum of its proper divisors (139387616).
142570144 is a wasteful number, since it uses less digits than its factorization.
142570144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20212 (or 20204 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 28.
The square root of 142570144 is about 11940.2740337063. The cubic root of 142570144 is about 522.4076516964.
The spelling of 142570144 in words is "one hundred forty-two million, five hundred seventy thousand, one hundred forty-four".
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