Base | Representation |
---|---|
bin | 10010110100000100… |
… | …101100110001100000 |
3 | 1221010211202010110101 |
4 | 102310010230301200 |
5 | 312332424000112 |
6 | 13140305312144 |
7 | 1313412444553 |
oct | 226404546140 |
9 | 57124663411 |
10 | 20201000032 |
11 | 8626a35354 |
12 | 3ab9335654 |
13 | 1b9c222175 |
14 | d98c8869a |
15 | 7d3721757 |
hex | 4b412cc60 |
20201000032 has 96 divisors (see below), whose sum is σ = 44126661600. Its totient is φ = 9064194048.
The previous prime is 20201000009. The next prime is 20201000047. The reversal of 20201000032 is 23000010202.
It is a junction number, because it is equal to n+sod(n) for n = 20200999982 and 20201000018.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 923688 + ... + 945304.
It is an arithmetic number, because the mean of its divisors is an integer number (459652725).
Almost surely, 220201000032 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20201000032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22063330800).
20201000032 is an abundant number, since it is smaller than the sum of its proper divisors (23925661568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20201000032 is a wasteful number, since it uses less digits than its factorization.
20201000032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21728 (or 21720 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 10.
Adding to 20201000032 its reverse (23000010202), we get a palindrome (43201010234).
The spelling of 20201000032 in words is "twenty billion, two hundred one million, thirty-two", and thus it is an aban number.
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