Base | Representation |
---|---|
bin | 10000111011101… |
… | …10001110111001 |
3 | 100220021111001100 |
4 | 20131312032321 |
5 | 242330321131 |
6 | 22032242013 |
7 | 3343223511 |
oct | 1035661671 |
9 | 326244040 |
10 | 142042041 |
11 | 731a7319 |
12 | 3b6a0309 |
13 | 2357395b |
14 | 14c16841 |
15 | c70b7e6 |
hex | 87763b9 |
142042041 has 12 divisors (see below), whose sum is σ = 205282480. Its totient is φ = 94643640.
The previous prime is 142042027. The next prime is 142042073. The reversal of 142042041 is 140240241.
It is not a de Polignac number, because 142042041 - 25 = 142042009 is a prime.
It is a super-2 number, since 2×1420420412 = 40351882822891362, which contains 22 as substring.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (142042091) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21690 + ... + 27468.
Almost surely, 2142042041 is an apocalyptic number.
It is an amenable number.
142042041 is a deficient number, since it is larger than the sum of its proper divisors (63240439).
142042041 is a wasteful number, since it uses less digits than its factorization.
142042041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8516 (or 8513 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 142042041 is about 11918.1391584425. The cubic root of 142042041 is about 521.7618259901.
Adding to 142042041 its reverse (140240241), we get a palindrome (282282282).
The spelling of 142042041 in words is "one hundred forty-two million, forty-two thousand, forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.080 sec. • engine limits •