Base | Representation |
---|---|
bin | 10110111000000001… |
… | …00111111101101001 |
3 | 1011200220000210120200 |
4 | 23130000213331221 |
5 | 200122424221201 |
6 | 5350350142413 |
7 | 613223335605 |
oct | 133400477551 |
9 | 34626023520 |
10 | 12281085801 |
11 | 5232397596 |
12 | 2468ab1a09 |
13 | 120946c49a |
14 | 8470aa505 |
15 | 4bd295386 |
hex | 2dc027f69 |
12281085801 has 24 divisors (see below), whose sum is σ = 17969203200. Its totient is φ = 8081954496.
The previous prime is 12281085797. The next prime is 12281085871. The reversal of 12281085801 is 10858018221.
It is not a de Polignac number, because 12281085801 - 22 = 12281085797 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12281085871) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 200461 + ... + 254453.
It is an arithmetic number, because the mean of its divisors is an integer number (748716800).
Almost surely, 212281085801 is an apocalyptic number.
It is an amenable number.
12281085801 is a deficient number, since it is larger than the sum of its proper divisors (5688117399).
12281085801 is a wasteful number, since it uses less digits than its factorization.
12281085801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54325 (or 54322 counting only the distinct ones).
The product of its (nonzero) digits is 10240, while the sum is 36.
The spelling of 12281085801 in words is "twelve billion, two hundred eighty-one million, eighty-five thousand, eight hundred one".
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