Base | Representation |
---|---|
bin | 111111110011100… |
… | …0111010110111001 |
3 | 12112012121001020200 |
4 | 1333213013112321 |
5 | 13341041211220 |
6 | 552240112413 |
7 | 104024601300 |
oct | 17747072671 |
9 | 5465531220 |
10 | 2140960185 |
11 | 9a9575091 |
12 | 4b9005709 |
13 | 28172c760 |
14 | 1644ad437 |
15 | c7e58890 |
hex | 7f9c75b9 |
2140960185 has 144 divisors (see below), whose sum is σ = 4894868160. Its totient is φ = 855671040.
The previous prime is 2140960123. The next prime is 2140960187. The reversal of 2140960185 is 5810690412.
2140960185 is a `hidden beast` number, since 2 + 1 + 40 + 9 + 601 + 8 + 5 = 666.
It is not a de Polignac number, because 2140960185 - 211 = 2140958137 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2140960187) by changing a digit.
It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 542670 + ... + 546600.
It is an arithmetic number, because the mean of its divisors is an integer number (33992140).
Almost surely, 22140960185 is an apocalyptic number.
It is an amenable number.
2140960185 is an abundant number, since it is smaller than the sum of its proper divisors (2753907975).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140960185 is a wasteful number, since it uses less digits than its factorization.
2140960185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3988 (or 3978 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 36.
The square root of 2140960185 is about 46270.5109654086. The cubic root of 2140960185 is about 1288.8514474924.
The spelling of 2140960185 in words is "two billion, one hundred forty million, nine hundred sixty thousand, one hundred eighty-five".
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