Base | Representation |
---|---|
bin | 11000101101000… |
… | …01010000111101 |
3 | 112102221101010200 |
4 | 30112201100331 |
5 | 411022330023 |
6 | 32321354113 |
7 | 5064266064 |
oct | 1426412075 |
9 | 472841120 |
10 | 207230013 |
11 | a6a80a81 |
12 | 59498939 |
13 | 33c19113 |
14 | 1d7451db |
15 | 132d6743 |
hex | c5a143d |
207230013 has 12 divisors (see below), whose sum is σ = 300854268. Its totient is φ = 137450880.
The previous prime is 207229973. The next prime is 207230057. The reversal of 207230013 is 310032702.
It can be written as a sum of positive squares in 2 ways, for example, as 109872324 + 97357689 = 10482^2 + 9867^2 .
It is a de Polignac number, because none of the positive numbers 2k-207230013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207270013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56668 + ... + 60213.
It is an arithmetic number, because the mean of its divisors is an integer number (25071189).
Almost surely, 2207230013 is an apocalyptic number.
It is an amenable number.
207230013 is a deficient number, since it is larger than the sum of its proper divisors (93624255).
207230013 is a wasteful number, since it uses less digits than its factorization.
207230013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 117084 (or 117081 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 207230013 is about 14395.4858549477. The cubic root of 207230013 is about 591.7671931641.
Adding to 207230013 its reverse (310032702), we get a palindrome (517262715).
The spelling of 207230013 in words is "two hundred seven million, two hundred thirty thousand, thirteen".
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