Base | Representation |
---|---|
bin | 110010010100010101111000… |
… | …011101110010111101001101 |
3 | 1002000120002112012111002110010 |
4 | 302110111320131302331031 |
5 | 213001240313004100323 |
6 | 2102355525145503433 |
7 | 64420261346453616 |
oct | 6224257035627515 |
9 | 1060502465432403 |
10 | 221300211003213 |
11 | 6457098a9103a1 |
12 | 209a1568aa1b79 |
13 | 966369c2a7704 |
14 | 3c90db7474c0d |
15 | 1a8b7d6629c93 |
hex | c94578772f4d |
221300211003213 has 16 divisors (see below), whose sum is σ = 295404636744000. Its totient is φ = 147364632771840.
The previous prime is 221300211003181. The next prime is 221300211003239. The reversal of 221300211003213 is 312300112003122.
It is not a de Polignac number, because 221300211003213 - 25 = 221300211003181 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 221300211003213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (221300211403213) 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, 336783778 + ... + 337440236.
It is an arithmetic number, because the mean of its divisors is an integer number (18462789796500).
Almost surely, 2221300211003213 is an apocalyptic number.
It is an amenable number.
221300211003213 is a deficient number, since it is larger than the sum of its proper divisors (74104425740787).
221300211003213 is a wasteful number, since it uses less digits than its factorization.
221300211003213 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 784892.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 221300211003213 its reverse (312300112003122), we get a palindrome (533600323006335).
Subtracting 221300211003213 from its reverse (312300112003122), we obtain a palindrome (90999900999909).
The spelling of 221300211003213 in words is "two hundred twenty-one trillion, three hundred billion, two hundred eleven million, three thousand, two hundred thirteen".
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