Base | Representation |
---|---|
bin | 1001100011001… |
… | …10011000000100 |
3 | 12120202001210002 |
4 | 10301212120010 |
5 | 131002023413 |
6 | 11541020432 |
7 | 1661635040 |
oct | 461463004 |
9 | 176661702 |
10 | 80111108 |
11 | 41247730 |
12 | 229b4718 |
13 | 1379bb2c |
14 | a8d5020 |
15 | 7076958 |
hex | 4c66604 |
80111108 has 48 divisors (see below), whose sum is σ = 180835200. Its totient is φ = 30132480.
The previous prime is 80111071. The next prime is 80111111.
80111108 is nontrivially palindromic in base 10.
80111108 is a strobogrammatic number because it is the same when read upside-down.
It is a self number, because there is not a number n which added to its sum of digits gives 80111108.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4448 + ... + 13416.
It is an arithmetic number, because the mean of its divisors is an integer number (3767400).
Almost surely, 280111108 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 80111108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90417600).
80111108 is an abundant number, since it is smaller than the sum of its proper divisors (100724092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80111108 is a wasteful number, since it uses less digits than its factorization.
80111108 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9020 (or 9018 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 20.
The square root of 80111108 is about 8950.4808809360. The cubic root of 80111108 is about 431.0863248367.
It can be divided in two parts, 8011 and 1108, that added together give a palindrome (9119).
The spelling of 80111108 in words is "eighty million, one hundred eleven thousand, one hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •