Base | Representation |
---|---|
bin | 10010101010000000… |
… | …000101111001000000 |
3 | 1220201001210001110212 |
4 | 102222000011321000 |
5 | 312011144120112 |
6 | 13111431413252 |
7 | 1306261234523 |
oct | 225200057100 |
9 | 56631701425 |
10 | 20032020032 |
11 | 854a60a162 |
12 | 3a70824228 |
13 | 1b732091bb |
14 | d8065cbba |
15 | 7c3993522 |
hex | 4aa005e40 |
20032020032 has 56 divisors (see below), whose sum is σ = 40276939512. Its totient is φ = 9884160000.
The previous prime is 20032020011. The next prime is 20032020061. The reversal of 20032020032 is 23002023002.
It can be written as a sum of positive squares in 4 ways, for example, as 6858489856 + 13173530176 = 82816^2 + 114776^2 .
It is a junction number, because it is equal to n+sod(n) for n = 20032019989 and 20032020016.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2018282 + ... + 2028182.
Almost surely, 220032020032 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 20032020032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20138469756).
20032020032 is an abundant number, since it is smaller than the sum of its proper divisors (20244919480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20032020032 is a wasteful number, since it uses less digits than its factorization.
20032020032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10327 (or 10317 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 14.
Adding to 20032020032 its reverse (23002023002), we get a palindrome (43034043034).
The spelling of 20032020032 in words is "twenty billion, thirty-two million, twenty thousand, thirty-two".
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