Base | Representation |
---|---|
bin | 11000111111110010… |
… | …11011111100001000 |
3 | 1021122021012021210120 |
4 | 30133321123330020 |
5 | 204441013132412 |
6 | 10055354143240 |
7 | 653363363466 |
oct | 143771337410 |
9 | 37567167716 |
10 | 13420052232 |
11 | 57672a6964 |
12 | 2726421b20 |
13 | 135b414412 |
14 | 91446d836 |
15 | 538276b8c |
hex | 31fe5bf08 |
13420052232 has 16 divisors (see below), whose sum is σ = 33550130640. Its totient is φ = 4473350736.
The previous prime is 13420052231. The next prime is 13420052287. The reversal of 13420052232 is 23225002431.
It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 559168843 = 13420052232 / (1 + 3 + 4 + 2 + 0 + 0 + 5 + 2 + 2 + 3 + 2).
It is not an unprimeable number, because it can be changed into a prime (13420052231) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 279584398 + ... + 279584445.
It is an arithmetic number, because the mean of its divisors is an integer number (2096883165).
Almost surely, 213420052232 is an apocalyptic number.
13420052232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13420052232 is an abundant number, since it is smaller than the sum of its proper divisors (20130078408).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13420052232 is a wasteful number, since it uses less digits than its factorization.
13420052232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 559168852 (or 559168848 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 24.
Adding to 13420052232 its reverse (23225002431), we get a palindrome (36645054663).
The spelling of 13420052232 in words is "thirteen billion, four hundred twenty million, fifty-two thousand, two hundred thirty-two".
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