Base | Representation |
---|---|
bin | 10111111111000… |
… | …10010100110010 |
3 | 112000121021102121 |
4 | 23333202110302 |
5 | 403002030132 |
6 | 31544304454 |
7 | 4662133423 |
oct | 1377422462 |
9 | 460537377 |
10 | 201205042 |
11 | a3636365 |
12 | 5747212a |
13 | 328b994c |
14 | 1ca1764a |
15 | 129e6497 |
hex | bfe2532 |
201205042 has 8 divisors (see below), whose sum is σ = 302093100. Its totient is φ = 100507344.
The previous prime is 201205027. The next prime is 201205049. The reversal of 201205042 is 240502102.
It can be written as a sum of positive squares in 2 ways, for example, as 177982281 + 23222761 = 13341^2 + 4819^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (201205049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44917 + ... + 49192.
Almost surely, 2201205042 is an apocalyptic number.
201205042 is a deficient number, since it is larger than the sum of its proper divisors (100888058).
201205042 is a wasteful number, since it uses less digits than its factorization.
201205042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 95180.
The product of its (nonzero) digits is 160, while the sum is 16.
The square root of 201205042 is about 14184.6763093135. The cubic root of 201205042 is about 585.9757179888.
Adding to 201205042 its reverse (240502102), we get a palindrome (441707144).
The spelling of 201205042 in words is "two hundred one million, two hundred five thousand, forty-two".
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