| Base | Representation |
|---|---|
| bin | 110100000011111010… |
| … | …1010111110000010000 |
| 3 | 101200120120111222100022 |
| 4 | 1220013311113300100 |
| 5 | 3312431422044021 |
| 6 | 123205510243012 |
| 7 | 11035344155066 |
| oct | 1500765276020 |
| 9 | 350516458308 |
| 10 | 111800581136 |
| 11 | 434615713a2 |
| 12 | 19801956468 |
| 13 | a70956162a |
| 14 | 55a83ac036 |
| 15 | 2d952181ab |
| hex | 1a07d57c10 |
111800581136 has 80 divisors (see below), whose sum is σ = 236076854400. Its totient is φ = 51142569984.
The previous prime is 111800581133. The next prime is 111800581153. The reversal of 111800581136 is 631185008111.
It is a happy number.
111800581136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 111800581096 and 111800581105.
It is not an unprimeable number, because it can be changed into a prime (111800581133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733760 + ... + 872928.
It is an arithmetic number, because the mean of its divisors is an integer number (2950960680).
Almost surely, 2111800581136 is an apocalyptic number.
111800581136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 111800581136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118038427200).
111800581136 is an abundant number, since it is smaller than the sum of its proper divisors (124276273264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111800581136 is a wasteful number, since it uses less digits than its factorization.
111800581136 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 139296 (or 139290 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 35.
Adding to 111800581136 its reverse (631185008111), we get a palindrome (742985589247).
The spelling of 111800581136 in words is "one hundred eleven billion, eight hundred million, five hundred eighty-one thousand, one hundred thirty-six".
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