Base | Representation |
---|---|
bin | 100001010100011… |
… | …1100100001100000 |
3 | 2212220202210201120 |
4 | 1002220330201200 |
5 | 4242203424140 |
6 | 302535132240 |
7 | 36464045310 |
oct | 10250744140 |
9 | 2786683646 |
10 | 1118029920 |
11 | 52410a477 |
12 | 272514080 |
13 | 14a824487 |
14 | a86b3440 |
15 | 682481d0 |
hex | 42a3c860 |
1118029920 has 384 divisors, whose sum is σ = 4308111360. Its totient is φ = 238049280.
The previous prime is 1118029907. The next prime is 1118029949. The reversal of 1118029920 is 299208111.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5298615 + ... + 5298825.
It is an arithmetic number, because the mean of its divisors is an integer number (11219040).
Almost surely, 21118029920 is an apocalyptic number.
1118029920 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 1118029920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2154055680).
1118029920 is an abundant number, since it is smaller than the sum of its proper divisors (3190081440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1118029920 is a wasteful number, since it uses less digits than its factorization.
1118029920 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 338 (or 330 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 33.
The square root of 1118029920 is about 33436.9544067638. The cubic root of 1118029920 is about 1037.8895565237.
The spelling of 1118029920 in words is "one billion, one hundred eighteen million, twenty-nine thousand, nine hundred twenty".
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