Base | Representation |
---|---|
bin | 10010101010100111… |
… | …100010101001111111 |
3 | 1220201210020110021010 |
4 | 102222213202221333 |
5 | 312021321031341 |
6 | 13112441210303 |
7 | 1306445155506 |
oct | 225247425177 |
9 | 56653213233 |
10 | 20042361471 |
11 | 8555432900 |
12 | 3a74190993 |
13 | 1b753ba2b2 |
14 | d81b9183d |
15 | 7c4837716 |
hex | 4aa9e2a7f |
20042361471 has 24 divisors (see below), whose sum is σ = 29462296192. Its totient is φ = 12110115600.
The previous prime is 20042361431. The next prime is 20042361491. The reversal of 20042361471 is 17416324002.
It is not a de Polignac number, because 20042361471 - 223 = 20033972863 is a prime.
It is a super-3 number, since 3×200423614713 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20042361401) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36750 + ... + 203556.
Almost surely, 220042361471 is an apocalyptic number.
20042361471 is a deficient number, since it is larger than the sum of its proper divisors (9419934721).
20042361471 is a wasteful number, since it uses less digits than its factorization.
20042361471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167163 (or 167152 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
Adding to 20042361471 its reverse (17416324002), we get a palindrome (37458685473).
The spelling of 20042361471 in words is "twenty billion, forty-two million, three hundred sixty-one thousand, four hundred seventy-one".
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