Base | Representation |
---|---|
bin | 10000111100010… |
… | …11111101011001 |
3 | 100220110000010100 |
4 | 20132023331121 |
5 | 242341143113 |
6 | 22034210013 |
7 | 3344044122 |
oct | 1036137531 |
9 | 326400110 |
10 | 142131033 |
11 | 73258170 |
12 | 3b723909 |
13 | 235a5305 |
14 | 14c3b049 |
15 | c727d73 |
hex | 878bf59 |
142131033 has 48 divisors (see below), whose sum is σ = 240364800. Its totient is φ = 79971840.
The previous prime is 142130993. The next prime is 142131047. The reversal of 142131033 is 330131241.
It is not a de Polignac number, because 142131033 - 214 = 142114649 is a prime.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 142130997 and 142131015.
It is not an unprimeable number, because it can be changed into a prime (142131083) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132423 + ... + 133491.
It is an arithmetic number, because the mean of its divisors is an integer number (5007600).
Almost surely, 2142131033 is an apocalyptic number.
It is an amenable number.
142131033 is a deficient number, since it is larger than the sum of its proper divisors (98233767).
142131033 is a wasteful number, since it uses less digits than its factorization.
142131033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
The square root of 142131033 is about 11921.8720425947. The cubic root of 142131033 is about 521.8707677618.
Adding to 142131033 its reverse (330131241), we get a palindrome (472262274).
The spelling of 142131033 in words is "one hundred forty-two million, one hundred thirty-one thousand, thirty-three".
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