Base | Representation |
---|---|
bin | 111101011001001… |
… | …111110101000101 |
3 | 2122210011212121220 |
4 | 331121033311011 |
5 | 4102141403423 |
6 | 250113030553 |
7 | 34345045605 |
oct | 7531176505 |
9 | 2583155556 |
10 | 1030028613 |
11 | 489473819 |
12 | 248b55459 |
13 | 1355221b3 |
14 | 9ab26c05 |
15 | 606639e3 |
hex | 3d64fd45 |
1030028613 has 16 divisors (see below), whose sum is σ = 1394792256. Its totient is φ = 676010880.
The previous prime is 1030028611. The next prime is 1030028651. The reversal of 1030028613 is 3168200301.
It is not a de Polignac number, because 1030028613 - 21 = 1030028611 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030028611) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120931 + ... + 129167.
It is an arithmetic number, because the mean of its divisors is an integer number (87174516).
Almost surely, 21030028613 is an apocalyptic number.
It is an amenable number.
1030028613 is a deficient number, since it is larger than the sum of its proper divisors (364763643).
1030028613 is an equidigital number, since it uses as much as digits as its factorization.
1030028613 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8884.
The product of its (nonzero) digits is 864, while the sum is 24.
The square root of 1030028613 is about 32094.0588427204. The cubic root of 1030028613 is about 1009.9109855218.
Adding to 1030028613 its reverse (3168200301), we get a palindrome (4198228914).
The spelling of 1030028613 in words is "one billion, thirty million, twenty-eight thousand, six hundred thirteen".
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