Base | Representation |
---|---|
bin | 10010101111111110… |
… | …010111111111111111 |
3 | 1220222001100102010020 |
4 | 102233332113333333 |
5 | 312212322430330 |
6 | 13125411343223 |
7 | 1311616105323 |
oct | 225776277777 |
9 | 56861312106 |
10 | 20132233215 |
11 | 85a1136876 |
12 | 3a9a2b1b13 |
13 | 1b8abc5a43 |
14 | d8daa7983 |
15 | 7cc68b210 |
hex | 4aff97fff |
20132233215 has 8 divisors (see below), whose sum is σ = 32211573168. Its totient is φ = 10737191040.
The previous prime is 20132233213. The next prime is 20132233243. The reversal of 20132233215 is 51233223102.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20132233215 - 21 = 20132233213 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20132233213) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 671074426 + ... + 671074455.
It is an arithmetic number, because the mean of its divisors is an integer number (4026446646).
Almost surely, 220132233215 is an apocalyptic number.
20132233215 is a deficient number, since it is larger than the sum of its proper divisors (12079339953).
20132233215 is a wasteful number, since it uses less digits than its factorization.
20132233215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1342148889.
The product of its (nonzero) digits is 2160, while the sum is 24.
Adding to 20132233215 its reverse (51233223102), we get a palindrome (71365456317).
The spelling of 20132233215 in words is "twenty billion, one hundred thirty-two million, two hundred thirty-three thousand, two hundred fifteen".
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