Base | Representation |
---|---|
bin | 1110100100011… |
… | …00111100001011 |
3 | 22111222000111100 |
4 | 13102030330023 |
5 | 222241241412 |
6 | 20043232443 |
7 | 3012533343 |
oct | 722147413 |
9 | 274860440 |
10 | 122212107 |
11 | 62a92846 |
12 | 34b18723 |
13 | 1c41ca74 |
14 | 12333d23 |
15 | aae0edc |
hex | 748cf0b |
122212107 has 12 divisors (see below), whose sum is σ = 176627880. Its totient is φ = 81428928.
The previous prime is 122212093. The next prime is 122212141. The reversal of 122212107 is 701212221.
It is a happy number.
It is not a de Polignac number, because 122212107 - 26 = 122212043 is a prime.
It is a zygodrome in base 3.
It is a self number, because there is not a number n which added to its sum of digits gives 122212107.
It is not an unprimeable number, because it can be changed into a prime (122212157) 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, 22963 + ... + 27779.
It is an arithmetic number, because the mean of its divisors is an integer number (14718990).
Almost surely, 2122212107 is an apocalyptic number.
122212107 is a deficient number, since it is larger than the sum of its proper divisors (54415773).
122212107 is a wasteful number, since it uses less digits than its factorization.
122212107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7642 (or 7639 counting only the distinct ones).
The product of its (nonzero) digits is 112, while the sum is 18.
The square root of 122212107 is about 11054.9584802477. The cubic root of 122212107 is about 496.2548267290.
Adding to 122212107 its reverse (701212221), we get a palindrome (823424328).
The spelling of 122212107 in words is "one hundred twenty-two million, two hundred twelve thousand, one hundred seven".
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