Base | Representation |
---|---|
bin | 10100111000100110… |
… | …01001110000110100 |
3 | 1001221101201211022011 |
4 | 22130103021300310 |
5 | 140430310413022 |
6 | 5052324214004 |
7 | 544564064455 |
oct | 123423116064 |
9 | 31841654264 |
10 | 11212201012 |
11 | 4833aa4631 |
12 | 220ab3a304 |
13 | 1098b9428c |
14 | 78514b12c |
15 | 459508977 |
hex | 29c4c9c34 |
11212201012 has 24 divisors (see below), whose sum is σ = 20867099904. Its totient is φ = 5253078912.
The previous prime is 11212201003. The next prime is 11212201019. The reversal of 11212201012 is 21010221211.
It is a junction number, because it is equal to n+sod(n) for n = 11212200983 and 11212201001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11212201019) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 347748 + ... + 378619.
It is an arithmetic number, because the mean of its divisors is an integer number (869462496).
Almost surely, 211212201012 is an apocalyptic number.
It is an amenable number.
11212201012 is a deficient number, since it is larger than the sum of its proper divisors (9654898892).
11212201012 is a wasteful number, since it uses less digits than its factorization.
11212201012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 726615 (or 726613 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 11212201012 its reverse (21010221211), we get a palindrome (32222422223).
The spelling of 11212201012 in words is "eleven billion, two hundred twelve million, two hundred one thousand, twelve".
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