Base | Representation |
---|---|
bin | 111111101010110… |
… | …100010111000000 |
3 | 2202102222122000000 |
4 | 333222310113000 |
5 | 4141424022440 |
6 | 253555000000 |
7 | 35320312665 |
oct | 7752642700 |
9 | 2672878000 |
10 | 1068189120 |
11 | 4a8a68329 |
12 | 259899000 |
13 | 1403c368b |
14 | a1c1ba6c |
15 | 63ba0730 |
hex | 3fab45c0 |
1068189120 has 392 divisors, whose sum is σ = 4031071440. Its totient is φ = 268738560.
The previous prime is 1068189079. The next prime is 1068189121. The reversal of 1068189120 is 219818601.
It is a super-2 number, since 2×10681891202 = 2282055992172748800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1068189121) by changing a digit.
It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4432200 + ... + 4432440.
Almost surely, 21068189120 is an apocalyptic number.
1068189120 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 1068189120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015535720).
1068189120 is an abundant number, since it is smaller than the sum of its proper divisors (2962882320).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1068189120 is an equidigital number, since it uses as much as digits as its factorization.
1068189120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 295 (or 270 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 36.
The square root of 1068189120 is about 32683.1626376641. The cubic root of 1068189120 is about 1022.2317914108.
The spelling of 1068189120 in words is "one billion, sixty-eight million, one hundred eighty-nine thousand, one hundred twenty".
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