Base | Representation |
---|---|
bin | 10010101111111110… |
… | …101000110110011000 |
3 | 1220222001110220210102 |
4 | 102233332220312120 |
5 | 312212332132412 |
6 | 13125413034532 |
7 | 1311616513460 |
oct | 225776506630 |
9 | 56861426712 |
10 | 20132302232 |
11 | 85a1183709 |
12 | 3a9a325a48 |
13 | 1b8ac1b293 |
14 | d8dac4ba0 |
15 | 7cc6a18c2 |
hex | 4affa8d98 |
20132302232 has 64 divisors (see below), whose sum is σ = 44103121920. Its totient is φ = 8436008448.
The previous prime is 20132302231. The next prime is 20132302243. The reversal of 20132302232 is 23220323102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132302231) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3057728 + ... + 3064304.
It is an arithmetic number, because the mean of its divisors is an integer number (689111280).
Almost surely, 220132302232 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 20132302232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22051560960).
20132302232 is an abundant number, since it is smaller than the sum of its proper divisors (23970819688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20132302232 is a wasteful number, since it uses less digits than its factorization.
20132302232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7800 (or 7796 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 20.
Adding to 20132302232 its reverse (23220323102), we get a palindrome (43352625334).
The spelling of 20132302232 in words is "twenty billion, one hundred thirty-two million, three hundred two thousand, two hundred thirty-two".
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