Base | Representation |
---|---|
bin | 10111111000000011… |
… | …11001001001100000 |
3 | 1020002022212120011122 |
4 | 23330001321021200 |
5 | 202222440223443 |
6 | 5515540231412 |
7 | 632435442452 |
oct | 137401711140 |
9 | 36068776148 |
10 | 12818289248 |
11 | 5488654486 |
12 | 259899b568 |
13 | 129384c24b |
14 | 8985882d2 |
15 | 50050b968 |
hex | 2fc079260 |
12818289248 has 12 divisors (see below), whose sum is σ = 25236007020. Its totient is φ = 6409144608.
The previous prime is 12818289247. The next prime is 12818289259. The reversal of 12818289248 is 84298281821.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 12818289248.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12818289247) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200285738 + ... + 200285801.
It is an arithmetic number, because the mean of its divisors is an integer number (2103000585).
Almost surely, 212818289248 is an apocalyptic number.
It is an amenable number.
12818289248 is a deficient number, since it is larger than the sum of its proper divisors (12417717772).
12818289248 is an equidigital number, since it uses as much as digits as its factorization.
12818289248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 400571549 (or 400571541 counting only the distinct ones).
The product of its digits is 1179648, while the sum is 53.
The spelling of 12818289248 in words is "twelve billion, eight hundred eighteen million, two hundred eighty-nine thousand, two hundred forty-eight".
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