Base | Representation |
---|---|
bin | 11110101110000111011… |
… | …111011111010011111100 |
3 | 21110211010100002101102022 |
4 | 132232013133133103330 |
5 | 234042014120334322 |
6 | 4253454341015312 |
7 | 305344035644630 |
oct | 36560737372374 |
9 | 7424110071368 |
10 | 2111102121212 |
11 | 74434a124977 |
12 | 2a118b9b4538 |
13 | 1240cb1a55b6 |
14 | 7426c1a4dc0 |
15 | 39dabc29942 |
hex | 1eb877df4fc |
2111102121212 has 12 divisors (see below), whose sum is σ = 4222204242480. Its totient is φ = 904758051936.
The previous prime is 2111102121209. The next prime is 2111102121239. The reversal of 2111102121212 is 2121212011112.
2111102121212 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, 37698252137 + ... + 37698252192.
It is an arithmetic number, because the mean of its divisors is an integer number (351850353540).
Almost surely, 22111102121212 is an apocalyptic number.
It is an amenable number.
2111102121212 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.
2111102121212 is a wasteful number, since it uses less digits than its factorization.
2111102121212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75396504340 (or 75396504338 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 2111102121212 its reverse (2121212011112), we get a palindrome (4232314132324).
The spelling of 2111102121212 in words is "two trillion, one hundred eleven billion, one hundred two million, one hundred twenty-one thousand, two hundred twelve".
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