Base | Representation |
---|---|
bin | 10100100000101000… |
… | …00011010010000010 |
3 | 1001102101100100022120 |
4 | 22100110003102002 |
5 | 140022321010033 |
6 | 5020342145110 |
7 | 536602614366 |
oct | 122024032202 |
9 | 31371310276 |
10 | 11011110018 |
11 | 4740536a27 |
12 | 2173722196 |
13 | 106631751c |
14 | 7665632a6 |
15 | 446a361b3 |
hex | 290503482 |
11011110018 has 32 divisors (see below), whose sum is σ = 23859925056. Its totient is φ = 3374128128.
The previous prime is 11011110013. The next prime is 11011110049. The reversal of 11011110018 is 81001111011.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 11011109979 and 11011110006.
It is not an unprimeable number, because it can be changed into a prime (11011110013) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1250871 + ... + 1259642.
It is an arithmetic number, because the mean of its divisors is an integer number (745622658).
Almost surely, 211011110018 is an apocalyptic number.
11011110018 is an abundant number, since it is smaller than the sum of its proper divisors (12848815038).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
11011110018 is a wasteful number, since it uses less digits than its factorization.
11011110018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2510578.
The product of its (nonzero) digits is 8, while the sum is 15.
Adding to 11011110018 its reverse (81001111011), we get a palindrome (92012221029).
The spelling of 11011110018 in words is "eleven billion, eleven million, one hundred ten thousand, eighteen".
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