Base | Representation |
---|---|
bin | 110011011111… |
… | …111010010010 |
3 | 221101212120212 |
4 | 303133322102 |
5 | 11424000200 |
6 | 1201204122 |
7 | 222514514 |
oct | 63377222 |
9 | 27355525 |
10 | 13500050 |
11 | 7690873 |
12 | 4630642 |
13 | 2a489c5 |
14 | 1b15bb4 |
15 | 12ba035 |
hex | cdfe92 |
13500050 has 12 divisors (see below), whose sum is σ = 25110186. Its totient is φ = 5400000.
The previous prime is 13500049. The next prime is 13500059. The reversal of 13500050 is 5000531.
It can be written as a sum of positive squares in 3 ways, for example, as 9991921 + 3508129 = 3161^2 + 1873^2 .
It is a junction number, because it is equal to n+sod(n) for n = 13499998 and 13500034.
It is not an unprimeable number, because it can be changed into a prime (13500059) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134951 + ... + 135050.
Almost surely, 213500050 is an apocalyptic number.
13500050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13500050 is a deficient number, since it is larger than the sum of its proper divisors (11610136).
13500050 is a wasteful number, since it uses less digits than its factorization.
13500050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 270013 (or 270008 counting only the distinct ones).
The product of its (nonzero) digits is 75, while the sum is 14.
The square root of 13500050 is about 3674.2414183066. The cubic root of 13500050 is about 238.1104517580.
Adding to 13500050 its reverse (5000531), we get a palindrome (18500581).
The spelling of 13500050 in words is "thirteen million, five hundred thousand, fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.084 sec. • engine limits •