Base | Representation |
---|---|
bin | 101111100110001001… |
… | …1111000011111101100 |
3 | 100202211022221012021112 |
4 | 1133030103320133230 |
5 | 3133312233341022 |
6 | 114542222051152 |
7 | 10245623524055 |
oct | 1371423703754 |
9 | 322738835245 |
10 | 102212012012 |
11 | 3a39101a500 |
12 | 17986719ab8 |
13 | 983bb886a6 |
14 | 4d38b4772c |
15 | 29d352a8e2 |
hex | 17cc4f87ec |
102212012012 has 18 divisors (see below), whose sum is σ = 196610296764. Its totient is φ = 46460005240.
The previous prime is 102212012009. The next prime is 102212012017. The reversal of 102212012012 is 210210212201.
It is not an unprimeable number, because it can be changed into a prime (102212012017) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 105590438 + ... + 105591405.
Almost surely, 2102212012012 is an apocalyptic number.
It is an amenable number.
102212012012 is a deficient number, since it is larger than the sum of its proper divisors (94398284752).
102212012012 is a wasteful number, since it uses less digits than its factorization.
102212012012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211181869 (or 211181856 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 102212012012 its reverse (210210212201), we get a palindrome (312422224213).
The spelling of 102212012012 in words is "one hundred two billion, two hundred twelve million, twelve thousand, twelve".
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