Base | Representation |
---|---|
bin | 100010110101011… |
… | …1110011011010000 |
3 | 10000110110221122100 |
4 | 1011222332123100 |
5 | 4343214044043 |
6 | 311553240400 |
7 | 40652301126 |
oct | 10552763320 |
9 | 3013427570 |
10 | 1168893648 |
11 | 54a8a010a |
12 | 287563100 |
13 | 158222a60 |
14 | b1353916 |
15 | 6c943cd3 |
hex | 45abe6d0 |
1168893648 has 120 divisors (see below), whose sum is σ = 3565834272. Its totient is φ = 355279104.
The previous prime is 1168893647. The next prime is 1168893653. The reversal of 1168893648 is 8463988611.
It is a nude number because it is divisible by every one of its digits.
It is a junction number, because it is equal to n+sod(n) for n = 1168893594 and 1168893603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1168893643) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151615 + ... + 159137.
Almost surely, 21168893648 is an apocalyptic number.
1168893648 is a gapful number since it is divisible by the number (18) 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 1168893648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1782917136).
1168893648 is an abundant number, since it is smaller than the sum of its proper divisors (2396940624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1168893648 is a wasteful number, since it uses less digits than its factorization.
1168893648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7633 (or 7624 counting only the distinct ones).
The product of its digits is 1990656, while the sum is 54.
The square root of 1168893648 is about 34189.0866798164. The cubic root of 1168893648 is about 1053.3960031434.
The spelling of 1168893648 in words is "one billion, one hundred sixty-eight million, eight hundred ninety-three thousand, six hundred forty-eight".
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