Base | Representation |
---|---|
bin | 11110010011011001… |
… | …01100011001010101 |
3 | 1112222210200121212112 |
4 | 33021230230121111 |
5 | 231304310312420 |
6 | 11250201400405 |
7 | 1114104562664 |
oct | 171154543125 |
9 | 45883617775 |
10 | 16268838485 |
11 | 6999376169 |
12 | 31a0499105 |
13 | 16c3693463 |
14 | b04952ddb |
15 | 6533eb8c5 |
hex | 3c9b2c655 |
16268838485 has 4 divisors (see below), whose sum is σ = 19522606188. Its totient is φ = 13015070784.
The previous prime is 16268838479. The next prime is 16268838503. The reversal of 16268838485 is 58483886261.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58483886261 = 124277 ⋅470593.
It can be written as a sum of positive squares in 2 ways, for example, as 2278916644 + 13989921841 = 47738^2 + 118279^2 .
It is a cyclic number.
It is not a de Polignac number, because 16268838485 - 212 = 16268834389 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1626883844 + ... + 1626883853.
It is an arithmetic number, because the mean of its divisors is an integer number (4880651547).
Almost surely, 216268838485 is an apocalyptic number.
It is an amenable number.
16268838485 is a deficient number, since it is larger than the sum of its proper divisors (3253767703).
16268838485 is an equidigital number, since it uses as much as digits as its factorization.
16268838485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3253767702.
The product of its digits is 17694720, while the sum is 59.
The spelling of 16268838485 in words is "sixteen billion, two hundred sixty-eight million, eight hundred thirty-eight thousand, four hundred eighty-five".
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