Base | Representation |
---|---|
bin | 111101011010110… |
… | …010010100001101 |
3 | 2122210221100222122 |
4 | 331122302110031 |
5 | 4102242311023 |
6 | 250125422325 |
7 | 34351345652 |
oct | 7532622415 |
9 | 2583840878 |
10 | 1030432013 |
11 | 489719906 |
12 | 24910a9a5 |
13 | 1356339b0 |
14 | 9abcdc29 |
15 | 606e32c8 |
hex | 3d6b250d |
1030432013 has 4 divisors (see below), whose sum is σ = 1109696028. Its totient is φ = 951168000.
The previous prime is 1030432001. The next prime is 1030432021. The reversal of 1030432013 is 3102340301.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 100060009 + 930372004 = 10003^2 + 30502^2 .
It is a cyclic number.
It is not a de Polignac number, because 1030432013 - 214 = 1030415629 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 1030431982 and 1030432000.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030432093) 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, 39631988 + ... + 39632013.
It is an arithmetic number, because the mean of its divisors is an integer number (277424007).
Almost surely, 21030432013 is an apocalyptic number.
1030432013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1030432013 is a deficient number, since it is larger than the sum of its proper divisors (79264015).
1030432013 is an equidigital number, since it uses as much as digits as its factorization.
1030432013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 79264014.
The product of its (nonzero) digits is 216, while the sum is 17.
The square root of 1030432013 is about 32100.3428797887. The cubic root of 1030432013 is about 1010.0428086943.
Adding to 1030432013 its reverse (3102340301), we get a palindrome (4132772314).
The spelling of 1030432013 in words is "one billion, thirty million, four hundred thirty-two thousand, thirteen".
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