Base | Representation |
---|---|
bin | 11000100111111110… |
… | …11100110010111100 |
3 | 1021010100022221000021 |
4 | 30103333130302330 |
5 | 204033344131022 |
6 | 10023500541524 |
7 | 645416466361 |
oct | 142377346274 |
9 | 37110287007 |
10 | 13220302012 |
11 | 5674574635 |
12 | 268b5518a4 |
13 | 1328c16a18 |
14 | 8d5b14468 |
15 | 52596b7c7 |
hex | 313fdccbc |
13220302012 has 24 divisors (see below), whose sum is σ = 23688037296. Its totient is φ = 6452479488.
The previous prime is 13220301959. The next prime is 13220302013. The reversal of 13220302012 is 21020302231.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13220302013) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269238 + ... + 314530.
It is an arithmetic number, because the mean of its divisors is an integer number (987001554).
Almost surely, 213220302012 is an apocalyptic number.
It is an amenable number.
13220302012 is a deficient number, since it is larger than the sum of its proper divisors (10467735284).
13220302012 is a wasteful number, since it uses less digits than its factorization.
13220302012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 47037 (or 47035 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 13220302012 its reverse (21020302231), we get a palindrome (34240604243).
The spelling of 13220302012 in words is "thirteen billion, two hundred twenty million, three hundred two thousand, twelve".
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