Base | Representation |
---|---|
bin | 10010111010000010… |
… | …111100011100101010 |
3 | 1221101211021222102101 |
4 | 102322002330130222 |
5 | 313034102000432 |
6 | 13154245124014 |
7 | 1316040244315 |
oct | 227202743452 |
9 | 57354258371 |
10 | 20301203242 |
11 | 8678555521 |
12 | 3b269b960a |
13 | 1bb6c072c8 |
14 | da82cd97c |
15 | 7dc4164e7 |
hex | 4ba0bc72a |
20301203242 has 24 divisors (see below), whose sum is σ = 32429496780. Its totient is φ = 9529574400.
The previous prime is 20301203231. The next prime is 20301203243. The reversal of 20301203242 is 24230210302.
It can be written as a sum of positive squares in 6 ways, for example, as 18892777401 + 1408425841 = 137451^2 + 37529^2 .
It is not an unprimeable number, because it can be changed into a prime (20301203243) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187984 + ... + 275572.
Almost surely, 220301203242 is an apocalyptic number.
20301203242 is a deficient number, since it is larger than the sum of its proper divisors (12128293538).
20301203242 is a wasteful number, since it uses less digits than its factorization.
20301203242 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 88026 (or 88009 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 19.
Adding to 20301203242 its reverse (24230210302), we get a palindrome (44531413544).
The spelling of 20301203242 in words is "twenty billion, three hundred one million, two hundred three thousand, two hundred forty-two".
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