Base | Representation |
---|---|
bin | 10110101110010110… |
… | …10011101011010000 |
3 | 1011111020110020001120 |
4 | 23113023103223100 |
5 | 144441200001313 |
6 | 5334332202240 |
7 | 611220201504 |
oct | 132713235320 |
9 | 34436406046 |
10 | 12200000208 |
11 | 51a0644800 |
12 | 2445909380 |
13 | 11c571bc46 |
14 | 83a400304 |
15 | 4b60c9d23 |
hex | 2d72d3ad0 |
12200000208 has 60 divisors (see below), whose sum is σ = 34642303584. Its totient is φ = 3696968000.
The previous prime is 12200000203. The next prime is 12200000209. The reversal of 12200000208 is 80200000221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200000203) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1044468 + ... + 1056083.
Almost surely, 212200000208 is an apocalyptic number.
It is an amenable number.
12200000208 is an abundant number, since it is smaller than the sum of its proper divisors (22442303376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12200000208 is a wasteful number, since it uses less digits than its factorization.
12200000208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2100584 (or 2100567 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12200000208 its reverse (80200000221), we get a palindrome (92400000429).
The spelling of 12200000208 in words is "twelve billion, two hundred million, two hundred eight", and thus it is an aban number.
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •