Base | Representation |
---|---|
bin | 110010010010111000110101… |
… | …111010001101011000011001 |
3 | 1002000012112122221100220212100 |
4 | 302102320311322031120121 |
5 | 212443121213343131301 |
6 | 2102242004123234013 |
7 | 64410123615163233 |
oct | 6222706572153031 |
9 | 1060175587326770 |
10 | 221200310130201 |
11 | 6453258542a926 |
12 | 20986128378909 |
13 | 965713b1942bc |
14 | 3c8a21b659253 |
15 | 1a88ddae71286 |
hex | c92e35e8d619 |
221200310130201 has 6 divisors (see below), whose sum is σ = 319511559076970. Its totient is φ = 147466873420128.
The previous prime is 221200310130103. The next prime is 221200310130209. The reversal of 221200310130201 is 102031013002122.
221200310130201 is a `hidden beast` number, since 2 + 2 + 1 + 20 + 0 + 310 + 130 + 201 = 666.
221200310130201 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 only one way, i.e., 132824818251225 + 88375491878976 = 11524965^2 + 9400824^2 .
It is not a de Polignac number, because 221200310130201 - 214 = 221200310113817 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (221200310130209) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 12288906118336 + ... + 12288906118353.
Almost surely, 2221200310130201 is an apocalyptic number.
It is an amenable number.
221200310130201 is a deficient number, since it is larger than the sum of its proper divisors (98311248946769).
221200310130201 is a wasteful number, since it uses less digits than its factorization.
221200310130201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24577812236695 (or 24577812236692 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 221200310130201 its reverse (102031013002122), we get a palindrome (323231323132323).
The spelling of 221200310130201 in words is "two hundred twenty-one trillion, two hundred billion, three hundred ten million, one hundred thirty thousand, two hundred one".
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