Base | Representation |
---|---|
bin | 10010110100101010… |
… | …111101100011011000 |
3 | 1221011112121201022021 |
4 | 102310222331203120 |
5 | 312343010431412 |
6 | 13141304304224 |
7 | 1313563631251 |
oct | 226452754330 |
9 | 57145551267 |
10 | 20211030232 |
11 | 8631666178 |
12 | 3b00772074 |
13 | 1ba13246b3 |
14 | d9a339b28 |
15 | 7d4553607 |
hex | 4b4abd8d8 |
20211030232 has 8 divisors (see below), whose sum is σ = 37895681700. Its totient is φ = 10105515112.
The previous prime is 20211030223. The next prime is 20211030239. The reversal of 20211030232 is 23203011202.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211030239) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263189382 + ... + 1263189397.
Almost surely, 220211030232 is an apocalyptic number.
It is an amenable number.
20211030232 is a deficient number, since it is larger than the sum of its proper divisors (17684651468).
20211030232 is a wasteful number, since it uses less digits than its factorization.
20211030232 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2526378785 (or 2526378781 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 20211030232 its reverse (23203011202), we get a palindrome (43414041434).
The spelling of 20211030232 in words is "twenty billion, two hundred eleven million, thirty thousand, two hundred thirty-two".
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