Base | Representation |
---|---|
bin | 10101110011100011… |
… | …11001100100100101 |
3 | 1010012212102002010210 |
4 | 22321301321210211 |
5 | 142433420103141 |
6 | 5213353210033 |
7 | 563051106321 |
oct | 127161714445 |
9 | 33185362123 |
10 | 11706800421 |
11 | 4a68202478 |
12 | 2328700919 |
13 | 11474a8154 |
14 | 7d0ad8981 |
15 | 487b56916 |
hex | 2b9c79925 |
11706800421 has 32 divisors (see below), whose sum is σ = 16003975680. Its totient is φ = 7609651200.
The previous prime is 11706800377. The next prime is 11706800447. The reversal of 11706800421 is 12400860711.
It is not a de Polignac number, because 11706800421 - 210 = 11706799397 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11706800621) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16281700 + ... + 16282418.
It is an arithmetic number, because the mean of its divisors is an integer number (500124240).
Almost surely, 211706800421 is an apocalyptic number.
It is an amenable number.
11706800421 is a deficient number, since it is larger than the sum of its proper divisors (4297175259).
11706800421 is a wasteful number, since it uses less digits than its factorization.
11706800421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1437.
The product of its (nonzero) digits is 2688, while the sum is 30.
The spelling of 11706800421 in words is "eleven billion, seven hundred six million, eight hundred thousand, four hundred twenty-one".
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