Base | Representation |
---|---|
bin | 1100110111011001101… |
… | …0101010001010001010 |
3 | 210010111222000000000212 |
4 | 3031312122222022022 |
5 | 12110132142011020 |
6 | 245312332401122 |
7 | 21653221162454 |
oct | 3156632521212 |
9 | 703458000025 |
10 | 221030032010 |
11 | 85813766547 |
12 | 36a066161a2 |
13 | 17ac621a6b8 |
14 | a9ab0d12d4 |
15 | 5b39854cc5 |
hex | 33766aa28a |
221030032010 has 8 divisors (see below), whose sum is σ = 397854057636. Its totient is φ = 88412012800.
The previous prime is 221030031997. The next prime is 221030032019. The reversal of 221030032010 is 10230030122.
It is a happy number.
221030032010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 219945054289 + 1084977721 = 468983^2 + 32939^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (221030032019) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11051501591 + ... + 11051501610.
Almost surely, 2221030032010 is an apocalyptic number.
221030032010 is a deficient number, since it is larger than the sum of its proper divisors (176824025626).
221030032010 is a wasteful number, since it uses less digits than its factorization.
221030032010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22103003208.
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 221030032010 its reverse (10230030122), we get a palindrome (231260062132).
The spelling of 221030032010 in words is "two hundred twenty-one billion, thirty million, thirty-two thousand, ten".
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