Base | Representation |
---|---|
bin | 1100110111011001101… |
… | …0101000000000101010 |
3 | 210010111221222112221221 |
4 | 3031312122220000222 |
5 | 12110132141220320 |
6 | 245312332252254 |
7 | 21653221125013 |
oct | 3156632500052 |
9 | 703457875857 |
10 | 221030023210 |
11 | 8581375a977 |
12 | 36a0661108a |
13 | 17ac62166a9 |
14 | a9ab0cc00a |
15 | 5b398523aa |
hex | 33766a802a |
221030023210 has 16 divisors (see below), whose sum is σ = 398126757600. Its totient is φ = 88351405776.
The previous prime is 221030023153. The next prime is 221030023217. The reversal of 221030023210 is 12320030122.
It is not an unprimeable number, because it can be changed into a prime (221030023217) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560120 + ... + 7589299.
It is an arithmetic number, because the mean of its divisors is an integer number (24882922350).
Almost surely, 2221030023210 is an apocalyptic number.
221030023210 is a deficient number, since it is larger than the sum of its proper divisors (177096734390).
221030023210 is a wasteful number, since it uses less digits than its factorization.
221030023210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15150885.
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 221030023210 its reverse (12320030122), we get a palindrome (233350053332).
The spelling of 221030023210 in words is "two hundred twenty-one billion, thirty million, twenty-three thousand, two hundred ten".
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