Base | Representation |
---|---|
bin | 111011111011110… |
… | …1111111010111111 |
3 | 12012011020121120000 |
4 | 1313313233322333 |
5 | 13104320243121 |
6 | 531320525343 |
7 | 100560043536 |
oct | 16767577277 |
9 | 5164217500 |
10 | 2011102911 |
11 | 942240424 |
12 | 481620853 |
13 | 260863c2c |
14 | 15114931d |
15 | bb857526 |
hex | 77defebf |
2011102911 has 40 divisors (see below), whose sum is σ = 3147297120. Its totient is φ = 1277356608.
The previous prime is 2011102909. The next prime is 2011102927. The reversal of 2011102911 is 1192011102.
It is a happy number.
It is not a de Polignac number, because 2011102911 - 21 = 2011102909 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2011103911) by changing a digit.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 499141 + ... + 503153.
It is an arithmetic number, because the mean of its divisors is an integer number (78682428).
Almost surely, 22011102911 is an apocalyptic number.
2011102911 is a deficient number, since it is larger than the sum of its proper divisors (1136194209).
2011102911 is a wasteful number, since it uses less digits than its factorization.
2011102911 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4317 (or 4308 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 18.
The square root of 2011102911 is about 44845.3220637337. The cubic root of 2011102911 is about 1262.2482140241.
The spelling of 2011102911 in words is "two billion, eleven million, one hundred two thousand, nine hundred eleven".
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