Base | Representation |
---|---|
bin | 111111100010001… |
… | …0001110111001000 |
3 | 12111120102002110211 |
4 | 1333010101313020 |
5 | 13331222000133 |
6 | 551312250504 |
7 | 103554145321 |
oct | 17704216710 |
9 | 5446362424 |
10 | 2131828168 |
11 | 9a43a8068 |
12 | 4b5b40a34 |
13 | 27c882cb2 |
14 | 1631b3448 |
15 | c7252bcd |
hex | 7f111dc8 |
2131828168 has 32 divisors (see below), whose sum is σ = 4038336000. Its totient is φ = 1054966528.
The previous prime is 2131828151. The next prime is 2131828199. The reversal of 2131828168 is 8618281312.
It is a self number, because there is not a number n which added to its sum of digits gives 2131828168.
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, 887433 + ... + 889831.
It is an arithmetic number, because the mean of its divisors is an integer number (126198000).
Almost surely, 22131828168 is an apocalyptic number.
It is an amenable number.
2131828168 is a deficient number, since it is larger than the sum of its proper divisors (1906507832).
2131828168 is a wasteful number, since it uses less digits than its factorization.
2131828168 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3501 (or 3497 counting only the distinct ones).
The product of its digits is 36864, while the sum is 40.
The square root of 2131828168 is about 46171.7247674375. The cubic root of 2131828168 is about 1287.0163538373.
The spelling of 2131828168 in words is "two billion, one hundred thirty-one million, eight hundred twenty-eight thousand, one hundred sixty-eight".
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