Base | Representation |
---|---|
bin | 1000000011010111… |
… | …0010101001000100 |
3 | 12120122101212202220 |
4 | 2000311302221010 |
5 | 13411331202313 |
6 | 554254132340 |
7 | 104365111143 |
oct | 20065625104 |
9 | 5518355686 |
10 | 2161584708 |
11 | a0a181648 |
12 | 503ab10b0 |
13 | 285aa120a |
14 | 16711b75a |
15 | c9b7e823 |
hex | 80d72a44 |
2161584708 has 24 divisors (see below), whose sum is σ = 5151011712. Its totient is φ = 705197664.
The previous prime is 2161584679. The next prime is 2161584727. The reversal of 2161584708 is 8074851612.
It is a self number, because there is not a number n which added to its sum of digits gives 2161584708.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1915735 + ... + 1916862.
It is an arithmetic number, because the mean of its divisors is an integer number (214625488).
Almost surely, 22161584708 is an apocalyptic number.
It is an amenable number.
2161584708 is an abundant number, since it is smaller than the sum of its proper divisors (2989427004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2161584708 is a wasteful number, since it uses less digits than its factorization.
2161584708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3832651 (or 3832649 counting only the distinct ones).
The product of its (nonzero) digits is 107520, while the sum is 42.
The square root of 2161584708 is about 46492.8457722261. The cubic root of 2161584708 is about 1292.9768617308.
The spelling of 2161584708 in words is "two billion, one hundred sixty-one million, five hundred eighty-four thousand, seven hundred eight".
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