Base | Representation |
---|---|
bin | 1000000100111100… |
… | …0101011001000000 |
3 | 12121002212201222010 |
4 | 2001033011121000 |
5 | 13420030340404 |
6 | 555052212520 |
7 | 104505344556 |
oct | 20117053100 |
9 | 5532781863 |
10 | 2168215104 |
11 | a129a0110 |
12 | 50616a140 |
13 | 287283123 |
14 | 167d65bd6 |
15 | ca53e189 |
hex | 813c5640 |
2168215104 has 112 divisors (see below), whose sum is σ = 6271174656. Its totient is φ = 655680000.
The previous prime is 2168215097. The next prime is 2168215117. The reversal of 2168215104 is 4015128612.
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 15 ways as a sum of consecutive naturals, for example, 1585429 + ... + 1586795.
Almost surely, 22168215104 is an apocalyptic number.
2168215104 is a gapful number since it is divisible by the number (24) 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 2168215104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3135587328).
2168215104 is an abundant number, since it is smaller than the sum of its proper divisors (4102959552).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2168215104 is a wasteful number, since it uses less digits than its factorization.
2168215104 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2144 (or 2134 counting only the distinct ones).
The product of its (nonzero) digits is 3840, while the sum is 30.
The square root of 2168215104 is about 46564.0967269848. The cubic root of 2168215104 is about 1294.2975283074.
The spelling of 2168215104 in words is "two billion, one hundred sixty-eight million, two hundred fifteen thousand, one hundred four".
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