Base | Representation |
---|---|
bin | 10001000000110… |
… | …01100101011111 |
3 | 100221112110212121 |
4 | 20200121211133 |
5 | 243013224020 |
6 | 22054443411 |
7 | 3352011310 |
oct | 1040314537 |
9 | 327473777 |
10 | 142711135 |
11 | 73613a96 |
12 | 3b963567 |
13 | 23749378 |
14 | 14d4c607 |
15 | c7debaa |
hex | 881995f |
142711135 has 32 divisors (see below), whose sum is σ = 204152832. Its totient is φ = 93709440.
The previous prime is 142711133. The next prime is 142711169. The reversal of 142711135 is 531117241.
It is not a de Polignac number, because 142711135 - 21 = 142711133 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (142711133) by changing a digit.
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 31 ways as a sum of consecutive naturals, for example, 111117 + ... + 112393.
It is an arithmetic number, because the mean of its divisors is an integer number (6379776).
Almost surely, 2142711135 is an apocalyptic number.
142711135 is a deficient number, since it is larger than the sum of its proper divisors (61441697).
142711135 is a wasteful number, since it uses less digits than its factorization.
142711135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1423.
The product of its digits is 840, while the sum is 25.
The square root of 142711135 is about 11946.1765849999. The cubic root of 142711135 is about 522.5798020706.
Adding to 142711135 its reverse (531117241), we get a palindrome (673828376).
The spelling of 142711135 in words is "one hundred forty-two million, seven hundred eleven thousand, one hundred thirty-five".
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