Base | Representation |
---|---|
bin | 111101011010110… |
… | …010000101000011 |
3 | 2122210221022122201 |
4 | 331122302011003 |
5 | 4102242243133 |
6 | 250125414031 |
7 | 34351343065 |
oct | 7532620503 |
9 | 2583838581 |
10 | 1030431043 |
11 | 489719104 |
12 | 24910a317 |
13 | 135633415 |
14 | 9abcd735 |
15 | 606e2d7d |
hex | 3d6b2143 |
1030431043 has 4 divisors (see below), whose sum is σ = 1030529920. Its totient is φ = 1030332168.
The previous prime is 1030431037. The next prime is 1030431089. The reversal of 1030431043 is 3401340301.
1030431043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3401340301 = 2689 ⋅1264909.
It is a cyclic number.
It is not a de Polignac number, because 1030431043 - 213 = 1030422851 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1030431043.
It is not an unprimeable number, because it can be changed into a prime (1030431343) 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, 31680 + ... + 55357.
It is an arithmetic number, because the mean of its divisors is an integer number (257632480).
Almost surely, 21030431043 is an apocalyptic number.
1030431043 is a deficient number, since it is larger than the sum of its proper divisors (98877).
1030431043 is an equidigital number, since it uses as much as digits as its factorization.
1030431043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98876.
The product of its (nonzero) digits is 432, while the sum is 19.
The square root of 1030431043 is about 32100.3277709122. The cubic root of 1030431043 is about 1010.0424917587.
Adding to 1030431043 its reverse (3401340301), we get a palindrome (4431771344).
The spelling of 1030431043 in words is "one billion, thirty million, four hundred thirty-one thousand, forty-three".
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