Base | Representation |
---|---|
bin | 11000100100101… |
… | …11101001011010 |
3 | 112100220002201110 |
4 | 30102113221122 |
5 | 410233021132 |
6 | 32242201150 |
7 | 5052115131 |
oct | 1422275132 |
9 | 470802643 |
10 | 206142042 |
11 | a63a8627 |
12 | 590531b6 |
13 | 33927b52 |
14 | 1d540918 |
15 | 1316e1cc |
hex | c497a5a |
206142042 has 16 divisors (see below), whose sum is σ = 412641792. Its totient is φ = 68654400.
The previous prime is 206142023. The next prime is 206142061. The reversal of 206142042 is 240241602.
206142042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (206142023) and next prime (206142061).
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, 7098 + ... + 21509.
It is an arithmetic number, because the mean of its divisors is an integer number (25790112).
Almost surely, 2206142042 is an apocalyptic number.
206142042 is an abundant number, since it is smaller than the sum of its proper divisors (206499750).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
206142042 is a wasteful number, since it uses less digits than its factorization.
206142042 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29813.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 206142042 is about 14357.6475092544. The cubic root of 206142042 is about 590.7297701544.
Adding to 206142042 its reverse (240241602), we get a palindrome (446383644).
The spelling of 206142042 in words is "two hundred six million, one hundred forty-two thousand, forty-two".
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