Base | Representation |
---|---|
bin | 111111110010101… |
… | …1000100010001100 |
3 | 12112011201222120100 |
4 | 1333211120202030 |
5 | 13340432200002 |
6 | 552222251100 |
7 | 104021001003 |
oct | 17745304214 |
9 | 5464658510 |
10 | 2140506252 |
11 | 9a9295035 |
12 | 4b8a26a90 |
13 | 281600c61 |
14 | 1643d1c3a |
15 | c7db911c |
hex | 7f95888c |
2140506252 has 36 divisors (see below), whose sum is σ = 5412589000. Its totient is φ = 713256192.
The previous prime is 2140506239. The next prime is 2140506257. The reversal of 2140506252 is 2526050412.
2140506252 is a `hidden beast` number, since 2 + 1 + 405 + 0 + 6 + 252 = 666.
2140506252 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (2140506257) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117468 + ... + 134460.
Almost surely, 22140506252 is an apocalyptic number.
It is an amenable number.
2140506252 is an abundant number, since it is smaller than the sum of its proper divisors (3272082748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2140506252 is a wasteful number, since it uses less digits than its factorization.
2140506252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 20502 (or 20497 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 27.
The square root of 2140506252 is about 46265.6054969564. The cubic root of 2140506252 is about 1288.7603522973.
Adding to 2140506252 its reverse (2526050412), we get a palindrome (4666556664).
The spelling of 2140506252 in words is "two billion, one hundred forty million, five hundred six thousand, two hundred fifty-two".
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