| Base | Representation |
|---|---|
| bin | 100001010101010… |
| … | …0110011101100000 |
| 3 | 2212221120211221200 |
| 4 | 1002222212131200 |
| 5 | 4242311320330 |
| 6 | 302552321200 |
| 7 | 36500533344 |
| oct | 10252463540 |
| 9 | 2787524850 |
| 10 | 1118463840 |
| 11 | 52438648a |
| 12 | 2726a3200 |
| 13 | 14a946b30 |
| 14 | a8787624 |
| 15 | 682d1a60 |
| hex | 42aa6760 |
1118463840 has 144 divisors (see below), whose sum is σ = 4110423408. Its totient is φ = 275309568.
The previous prime is 1118463833. The next prime is 1118463877. The reversal of 1118463840 is 483648111.
It is a happy number.
1118463840 is a `hidden beast` number, since 1 + 1 + 18 + 4 + 638 + 4 + 0 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is a super-2 number, since 2×11184638402 = 2501922722775091200, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 1118463795 and 1118463804.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11154 + ... + 48593.
It is an arithmetic number, because the mean of its divisors is an integer number (28544607).
Almost surely, 21118463840 is an apocalyptic number.
1118463840 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 1118463840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2055211704).
1118463840 is an abundant number, since it is smaller than the sum of its proper divisors (2991959568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1118463840 is a wasteful number, since it uses less digits than its factorization.
1118463840 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59781 (or 59770 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 1118463840 is about 33443.4424065466. The cubic root of 1118463840 is about 1038.0238113642.
The spelling of 1118463840 in words is "one billion, one hundred eighteen million, four hundred sixty-three thousand, eight hundred forty".
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