Base | Representation |
---|---|
bin | 10101110010101111… |
… | …11101010111011101 |
3 | 1010012101121121000112 |
4 | 22321113331113131 |
5 | 142430200001341 |
6 | 5212551335405 |
7 | 562636234550 |
oct | 127127752735 |
9 | 33171547015 |
10 | 11700000221 |
11 | 4a64388378 |
12 | 2326381565 |
13 | 1145c66b70 |
14 | 7cdc48697 |
15 | 487261aeb |
hex | 2b95fd5dd |
11700000221 has 8 divisors (see below), whose sum is σ = 14400000384. Its totient is φ = 9257142960.
The previous prime is 11700000199. The next prime is 11700000233. The reversal of 11700000221 is 12200000711.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 11700000221 - 222 = 11695805917 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 11700000196 and 11700000205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11700000241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64285625 + ... + 64285806.
It is an arithmetic number, because the mean of its divisors is an integer number (1800000048).
Almost surely, 211700000221 is an apocalyptic number.
It is an amenable number.
11700000221 is a deficient number, since it is larger than the sum of its proper divisors (2700000163).
11700000221 is a wasteful number, since it uses less digits than its factorization.
11700000221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 128571451.
The product of its (nonzero) digits is 28, while the sum is 14.
Adding to 11700000221 its reverse (12200000711), we get a palindrome (23900000932).
The spelling of 11700000221 in words is "eleven billion, seven hundred million, two hundred twenty-one", and thus it is an aban number.
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