| Base | Representation |
|---|---|
| bin | 110011101101000011… |
| … | …0111000111010000000 |
| 3 | 101121121002222020002020 |
| 4 | 1213122012320322000 |
| 5 | 3304344023441230 |
| 6 | 123001423321440 |
| 7 | 11010340336644 |
| oct | 1473206707200 |
| 9 | 347532866066 |
| 10 | 111033421440 |
| 11 | 430a8520a17 |
| 12 | 19628a50280 |
| 13 | a616639496 |
| 14 | 5534550c24 |
| 15 | 2d4cbcb810 |
| hex | 19da1b8e80 |
111033421440 has 128 divisors (see below), whose sum is σ = 354831235200. Its totient is φ = 29532598272.
The previous prime is 111033421391. The next prime is 111033421441. The reversal of 111033421440 is 44124330111.
It is a tau number, because it is divible by the number of its divisors (128).
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a self number, because there is not a number n which added to its sum of digits gives 111033421440.
It is not an unprimeable number, because it can be changed into a prime (111033421441) 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, 672549 + ... + 821211.
It is an arithmetic number, because the mean of its divisors is an integer number (2772119025).
Almost surely, 2111033421440 is an apocalyptic number.
111033421440 is a gapful number since it is divisible by the number (10) 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 111033421440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177415617600).
111033421440 is an abundant number, since it is smaller than the sum of its proper divisors (243797813760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111033421440 is a wasteful number, since it uses less digits than its factorization.
111033421440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 149074 (or 149062 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 111033421440 its reverse (44124330111), we get a palindrome (155157751551).
The spelling of 111033421440 in words is "one hundred eleven billion, thirty-three million, four hundred twenty-one thousand, four hundred forty".
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