| Base | Representation |
|---|---|
| bin | 100000001011111… |
| … | …1111011001111000 |
| 3 | 2210021021020210020 |
| 4 | 1000113333121320 |
| 5 | 4202441441330 |
| 6 | 255100450440 |
| 7 | 35523052650 |
| oct | 10027773170 |
| 9 | 2707236706 |
| 10 | 1080030840 |
| 11 | 504716179 |
| 12 | 261849a20 |
| 13 | 1429ab605 |
| 14 | a3621360 |
| 15 | 64c3e210 |
| hex | 405ff678 |
1080030840 has 128 divisors (see below), whose sum is σ = 3712296960. Its totient is φ = 246242304.
The previous prime is 1080030797. The next prime is 1080030841. The reversal of 1080030840 is 480300801.
It is a super-2 number, since 2×10800308402 = 2332933230702211200, which contains 22 as substring.
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 1080030840.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1080030841) 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 31 ways as a sum of consecutive naturals, for example, 387532 + ... + 390308.
It is an arithmetic number, because the mean of its divisors is an integer number (29002320).
Almost surely, 21080030840 is an apocalyptic number.
1080030840 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 1080030840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1856148480).
1080030840 is an abundant number, since it is smaller than the sum of its proper divisors (2632266120).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1080030840 is a wasteful number, since it uses less digits than its factorization.
1080030840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3261 (or 3257 counting only the distinct ones).
The product of its (nonzero) digits is 768, while the sum is 24.
The square root of 1080030840 is about 32863.8226626179. The cubic root of 1080030840 is about 1025.9953337757.
The spelling of 1080030840 in words is "one billion, eighty million, thirty thousand, eight hundred forty".
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