Base | Representation |
---|---|
bin | 111101011100111… |
… | …111110001110010 |
3 | 2122212000210210222 |
4 | 331130333301302 |
5 | 4102414331232 |
6 | 250150053042 |
7 | 34356311156 |
oct | 7534776162 |
9 | 2585023728 |
10 | 1031011442 |
11 | 489a8517a |
12 | 24934a182 |
13 | 1357a7656 |
14 | 9ad01066 |
15 | 607a9d12 |
hex | 3d73fc72 |
1031011442 has 8 divisors (see below), whose sum is σ = 1546667136. Its totient is φ = 515455732.
The previous prime is 1031011441. The next prime is 1031011463. The reversal of 1031011442 is 2441101301.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a self number, because there is not a number n which added to its sum of digits gives 1031011442.
It is not an unprimeable number, because it can be changed into a prime (1031011441) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11363 + ... + 46809.
It is an arithmetic number, because the mean of its divisors is an integer number (193333392).
Almost surely, 21031011442 is an apocalyptic number.
1031011442 is a deficient number, since it is larger than the sum of its proper divisors (515655694).
1031011442 is a wasteful number, since it uses less digits than its factorization.
1031011442 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49992.
The product of its (nonzero) digits is 96, while the sum is 17.
The square root of 1031011442 is about 32109.3668888068. The cubic root of 1031011442 is about 1010.2320944901.
Adding to 1031011442 its reverse (2441101301), we get a palindrome (3472112743).
The spelling of 1031011442 in words is "one billion, thirty-one million, eleven thousand, four hundred forty-two".
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