Base | Representation |
---|---|
bin | 10000111100001… |
… | …11101111111001 |
3 | 100220102010110112 |
4 | 20132013233321 |
5 | 242340120120 |
6 | 22033554105 |
7 | 3343642622 |
oct | 1036075771 |
9 | 326363415 |
10 | 142113785 |
11 | 73246210 |
12 | 3b715935 |
13 | 2359a4c8 |
14 | 14c34a49 |
15 | c722bc5 |
hex | 8787bf9 |
142113785 has 8 divisors (see below), whose sum is σ = 186039936. Its totient is φ = 103355440.
The previous prime is 142113773. The next prime is 142113821. The reversal of 142113785 is 587311241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 142113785 - 214 = 142097401 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 in 7 ways as a sum of consecutive naturals, for example, 1291889 + ... + 1291998.
It is an arithmetic number, because the mean of its divisors is an integer number (23254992).
Almost surely, 2142113785 is an apocalyptic number.
It is an amenable number.
142113785 is a deficient number, since it is larger than the sum of its proper divisors (43926151).
142113785 is a wasteful number, since it uses less digits than its factorization.
142113785 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2583903.
The product of its digits is 6720, while the sum is 32.
The square root of 142113785 is about 11921.1486443212. The cubic root of 142113785 is about 521.8496567468.
The spelling of 142113785 in words is "one hundred forty-two million, one hundred thirteen thousand, seven hundred eighty-five".
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