Base | Representation |
---|---|
bin | 10000000001011110101… |
… | …111011001011011011001 |
3 | 10220021010122000000001200 |
4 | 100001132233121123121 |
5 | 121020023341023001 |
6 | 2201501110104413 |
7 | 142360212005463 |
oct | 20013657313331 |
9 | 3807118000050 |
10 | 1101101111001 |
11 | 394a79964a91 |
12 | 15949864b109 |
13 | 7caaac57848 |
14 | 3b417815133 |
15 | 1d9974a6086 |
hex | 1005ebd96d9 |
1101101111001 has 12 divisors (see below), whose sum is σ = 1590640149540. Its totient is φ = 733993207200.
The previous prime is 1101101110997. The next prime is 1101101111009. The reversal of 1101101111001 is 1001111011011.
It can be written as a sum of positive squares in 2 ways, for example, as 940316150601 + 160784960400 = 969699^2 + 400980^2 .
It is not a de Polignac number, because 1101101111001 - 22 = 1101101110997 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (9).
It is not an unprimeable number, because it can be changed into a prime (1101101111009) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6089286 + ... + 6267503.
It is an arithmetic number, because the mean of its divisors is an integer number (132553345795).
Almost surely, 21101101111001 is an apocalyptic number.
It is an amenable number.
1101101111001 is a deficient number, since it is larger than the sum of its proper divisors (489539038539).
1101101111001 is a wasteful number, since it uses less digits than its factorization.
1101101111001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12366696 (or 12366693 counting only the distinct ones).
The product of its (nonzero) digits is 1, while the sum is 9.
Adding to 1101101111001 its reverse (1001111011011), we get a palindrome (2102212122012).
The spelling of 1101101111001 in words is "one trillion, one hundred one billion, one hundred one million, one hundred eleven thousand, one".
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