Base | Representation |
---|---|
bin | 10010101010100011… |
… | …011001010101000110 |
3 | 1220201201012020111010 |
4 | 102222203121111012 |
5 | 312021031242234 |
6 | 13112402023050 |
7 | 1306433011200 |
oct | 225243312506 |
9 | 56651166433 |
10 | 20041274694 |
11 | 8554860341 |
12 | 3a73947a86 |
13 | 1b750c972c |
14 | d8198b770 |
15 | 7c46c06e9 |
hex | 4aa8d9546 |
20041274694 has 24 divisors (see below), whose sum is σ = 46626639768. Its totient is φ = 5726078400.
The previous prime is 20041274681. The next prime is 20041274699. The reversal of 20041274694 is 49647214002.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20041274699) 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, 34083507 + ... + 34084094.
It is an arithmetic number, because the mean of its divisors is an integer number (1942776657).
Almost surely, 220041274694 is an apocalyptic number.
20041274694 is an abundant number, since it is smaller than the sum of its proper divisors (26585365074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20041274694 is a wasteful number, since it uses less digits than its factorization.
20041274694 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68167620 (or 68167613 counting only the distinct ones).
The product of its (nonzero) digits is 96768, while the sum is 39.
Adding to 20041274694 its reverse (49647214002), we get a palindrome (69688488696).
The spelling of 20041274694 in words is "twenty billion, forty-one million, two hundred seventy-four thousand, six hundred ninety-four".
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