Base | Representation |
---|---|
bin | 10000111011101… |
… | …10001111110111 |
3 | 100220021111010122 |
4 | 20131312033313 |
5 | 242330321403 |
6 | 22032242155 |
7 | 3343223630 |
oct | 1035661767 |
9 | 326244118 |
10 | 142042103 |
11 | 731a7375 |
12 | 3b6a035b |
13 | 235739a8 |
14 | 14c16887 |
15 | c70b838 |
hex | 87763f7 |
142042103 has 16 divisors (see below), whose sum is σ = 165634560. Its totient is φ = 119296800.
The previous prime is 142042091. The next prime is 142042111. The reversal of 142042103 is 301240241.
It is not a de Polignac number, because 142042103 - 218 = 141779959 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142042193) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89168 + ... + 90746.
It is an arithmetic number, because the mean of its divisors is an integer number (10352160).
Almost surely, 2142042103 is an apocalyptic number.
142042103 is a deficient number, since it is larger than the sum of its proper divisors (23592457).
142042103 is a wasteful number, since it uses less digits than its factorization.
142042103 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1838.
The product of its (nonzero) digits is 192, while the sum is 17.
The square root of 142042103 is about 11918.1417595194. The cubic root of 142042103 is about 521.7619019048.
Adding to 142042103 its reverse (301240241), we get a palindrome (443282344).
The spelling of 142042103 in words is "one hundred forty-two million, forty-two thousand, one hundred three".
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