Base | Representation |
---|---|
bin | 1000000001010110… |
… | …1111101001111111 |
3 | 12120001121001222210 |
4 | 2000111233221333 |
5 | 13402203340441 |
6 | 553354111503 |
7 | 104233521666 |
oct | 20025575177 |
9 | 5501531883 |
10 | 2153183871 |
11 | a05463a03 |
12 | 50111b593 |
13 | 28411c4c7 |
14 | 165d71ddd |
15 | c9070616 |
hex | 8056fa7f |
2153183871 has 16 divisors (see below), whose sum is σ = 2895662720. Its totient is φ = 1423124640.
The previous prime is 2153183867. The next prime is 2153183897. The reversal of 2153183871 is 1783813512.
It is not a de Polignac number, because 2153183871 - 22 = 2153183867 is a prime.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2153183821) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200640 + ... + 211098.
It is an arithmetic number, because the mean of its divisors is an integer number (180978920).
Almost surely, 22153183871 is an apocalyptic number.
2153183871 is a deficient number, since it is larger than the sum of its proper divisors (742478849).
2153183871 is a wasteful number, since it uses less digits than its factorization.
2153183871 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11046.
The product of its digits is 40320, while the sum is 39.
The square root of 2153183871 is about 46402.4123403083. The cubic root of 2153183871 is about 1291.2996678578.
The spelling of 2153183871 in words is "two billion, one hundred fifty-three million, one hundred eighty-three thousand, eight hundred seventy-one".
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