Base | Representation |
---|---|
bin | 111110100111110… |
… | …0110010101111100 |
3 | 12102102212010001121 |
4 | 1331033212111330 |
5 | 13300404204322 |
6 | 544300520324 |
7 | 103033153450 |
oct | 17517462574 |
9 | 5372763047 |
10 | 2101241212 |
11 | 989106694 |
12 | 4a78500a4 |
13 | 276433ac5 |
14 | 15d0d0660 |
15 | c470eec7 |
hex | 7d3e657c |
2101241212 has 12 divisors (see below), whose sum is σ = 4202482480. Its totient is φ = 900531936.
The previous prime is 2101241209. The next prime is 2101241221. The reversal of 2101241212 is 2121421012.
2101241212 is an admirable number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37522137 + ... + 37522192.
Almost surely, 22101241212 is an apocalyptic number.
It is an amenable number.
2101241212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2101241212 is a wasteful number, since it uses less digits than its factorization.
2101241212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75044340 (or 75044338 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
The square root of 2101241212 is about 45839.2976822289. The cubic root of 2101241212 is about 1280.8314121582.
Adding to 2101241212 its reverse (2121421012), we get a palindrome (4222662224).
The spelling of 2101241212 in words is "two billion, one hundred one million, two hundred forty-one thousand, two hundred twelve".
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