Base | Representation |
---|---|
bin | 1110111011000101… |
… | …11001101010010100 |
3 | 202200100202201201100 |
4 | 13131202321222110 |
5 | 112402020143413 |
6 | 3403002230100 |
7 | 402353602650 |
oct | 73542715224 |
9 | 22610681640 |
10 | 8011881108 |
11 | 3441552950 |
12 | 16771b5330 |
13 | 9a8b42c6a |
14 | 5600bba60 |
15 | 31d595a73 |
hex | 1dd8b9a94 |
8011881108 has 432 divisors, whose sum is σ = 27388093824. Its totient is φ = 1917665280.
The previous prime is 8011881089. The next prime is 8011881121.
8011881108 is nontrivially palindromic in base 10.
It is a Harshad number since it is a multiple of its sum of digits (36).
8011881108 is a strobogrammatic number because it is the same when read upside-down.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 58480816 + ... + 58480952.
Almost surely, 28011881108 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 8011881108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13694046912).
8011881108 is an abundant number, since it is smaller than the sum of its proper divisors (19376212716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8011881108 is a wasteful number, since it uses less digits than its factorization.
8011881108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 272 (or 250 counting only the distinct ones).
The product of its (nonzero) digits is 4096, while the sum is 36.
The square root of 8011881108 is about 89509.1118713620. Note that the first 3 decimals coincide. The cubic root of 8011881108 is about 2000.9896025959.
8011881108 divided by its sum of digits (36) gives a triangular number (222552253 = T21097).
The spelling of 8011881108 in words is "eight billion, eleven million, eight hundred eighty-one thousand, one hundred eight".
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