Base | Representation |
---|---|
bin | 11000100101100100… |
… | …00111001101110101 |
3 | 1021001221011221000200 |
4 | 30102302013031311 |
5 | 204013201403113 |
6 | 10021454231113 |
7 | 645052251126 |
oct | 142262071565 |
9 | 37057157020 |
10 | 13200028533 |
11 | 566408789a |
12 | 26847b5499 |
13 | 1324968c93 |
14 | 8d315804d |
15 | 523cb4873 |
hex | 312c87375 |
13200028533 has 12 divisors (see below), whose sum is σ = 19069603020. Its totient is φ = 8798682816.
The previous prime is 13200028531. The next prime is 13200028561. The reversal of 13200028533 is 33582000231.
13200028533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 439615089 + 12760413444 = 20967^2 + 112962^2 .
It is not a de Polignac number, because 13200028533 - 21 = 13200028531 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13200028497 and 13200028506.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13200028531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46818 + ... + 169091.
It is an arithmetic number, because the mean of its divisors is an integer number (1589133585).
Almost surely, 213200028533 is an apocalyptic number.
It is an amenable number.
13200028533 is a deficient number, since it is larger than the sum of its proper divisors (5869574487).
13200028533 is a wasteful number, since it uses less digits than its factorization.
13200028533 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 222708 (or 222705 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 13200028533 its reverse (33582000231), we get a palindrome (46782028764).
The spelling of 13200028533 in words is "thirteen billion, two hundred million, twenty-eight thousand, five hundred thirty-three".
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