Base | Representation |
---|---|
bin | 111101011101011… |
… | …101001110001010 |
3 | 2122212020221020122 |
4 | 331131131032022 |
5 | 4102432211132 |
6 | 250152423242 |
7 | 34360322603 |
oct | 7535351612 |
9 | 2585227218 |
10 | 1031132042 |
11 | 48a057846 |
12 | 2493a7b22 |
13 | 13581a505 |
14 | 9ad32daa |
15 | 607d0912 |
hex | 3d75d38a |
1031132042 has 16 divisors (see below), whose sum is σ = 1677625992. Its totient is φ = 473402880.
The previous prime is 1031132041. The next prime is 1031132051. The reversal of 1031132042 is 2402311301.
It can be written as a sum of positive squares in 4 ways, for example, as 849664201 + 181467841 = 29149^2 + 13471^2 .
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a self number, because there is not a number n which added to its sum of digits gives 1031132042.
It is not an unprimeable number, because it can be changed into a prime (1031132041) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368453 + ... + 371240.
Almost surely, 21031132042 is an apocalyptic number.
1031132042 is a deficient number, since it is larger than the sum of its proper divisors (646493950).
1031132042 is a wasteful number, since it uses less digits than its factorization.
1031132042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 739753.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1031132042 is about 32111.2447905714. The cubic root of 1031132042 is about 1010.2714827501.
Adding to 1031132042 its reverse (2402311301), we get a palindrome (3433443343).
The spelling of 1031132042 in words is "one billion, thirty-one million, one hundred thirty-two thousand, forty-two".
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