Base | Representation |
---|---|
bin | 10010101001010010… |
… | …011100010011110010 |
3 | 1220200020021002010010 |
4 | 102221102130103302 |
5 | 312000113200414 |
6 | 13110323115350 |
7 | 1306054434066 |
oct | 225122342362 |
9 | 56606232103 |
10 | 20020053234 |
11 | 8543886345 |
12 | 3a68812b56 |
13 | 1b708a935c |
14 | d7cc25aa6 |
15 | 7c28cc959 |
hex | 4a949c4f2 |
20020053234 has 48 divisors (see below), whose sum is σ = 40984876800. Its totient is φ = 6517764000.
The previous prime is 20020053187. The next prime is 20020053241. The reversal of 20020053234 is 43235002002.
It is a self number, because there is not a number n which added to its sum of digits gives 20020053234.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8343967 + ... + 8346365.
It is an arithmetic number, because the mean of its divisors is an integer number (853851600).
Almost surely, 220020053234 is an apocalyptic number.
20020053234 is an abundant number, since it is smaller than the sum of its proper divisors (20964823566).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20020053234 is a wasteful number, since it uses less digits than its factorization.
20020053234 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2767 (or 2616 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 21.
Adding to 20020053234 its reverse (43235002002), we get a palindrome (63255055236).
The spelling of 20020053234 in words is "twenty billion, twenty million, fifty-three thousand, two hundred thirty-four".
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