Base | Representation |
---|---|
bin | 11000101001001001… |
… | …00110110001100000 |
3 | 1021011000122210001021 |
4 | 30110210212301200 |
5 | 204043342322313 |
6 | 10024445415224 |
7 | 645565334425 |
oct | 142444466140 |
9 | 37130583037 |
10 | 13230042208 |
11 | 567a017589 |
12 | 269286a514 |
13 | 132ac47256 |
14 | 8d712bd4c |
15 | 52674278d |
hex | 314926c60 |
13230042208 has 48 divisors (see below), whose sum is σ = 26969150880. Its totient is φ = 6381147136.
The previous prime is 13230042193. The next prime is 13230042211. The reversal of 13230042208 is 80224003231.
It is a congruent number.
It is an unprimeable number.
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 7 ways as a sum of consecutive naturals, for example, 1129116 + ... + 1140772.
It is an arithmetic number, because the mean of its divisors is an integer number (561857310).
Almost surely, 213230042208 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13230042208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13484575440).
13230042208 is an abundant number, since it is smaller than the sum of its proper divisors (13739108672).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13230042208 is a wasteful number, since it uses less digits than its factorization.
13230042208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12919 (or 12911 counting only the distinct ones).
The product of its (nonzero) digits is 2304, while the sum is 25.
Adding to 13230042208 its reverse (80224003231), we get a palindrome (93454045439).
The spelling of 13230042208 in words is "thirteen billion, two hundred thirty million, forty-two thousand, two hundred eight".
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