Base | Representation |
---|---|
bin | 10011110010010000… |
… | …101101000011011101 |
3 | 2000211112222000000100 |
4 | 103302100231003131 |
5 | 322002022144201 |
6 | 13432015451313 |
7 | 1351311601461 |
oct | 236220550335 |
9 | 60745860010 |
10 | 21244334301 |
11 | 9011966883 |
12 | 414a826b39 |
13 | 2007422718 |
14 | 10576764a1 |
15 | 845112886 |
hex | 4f242d0dd |
21244334301 has 6 divisors (see below), whose sum is σ = 30686260670. Its totient is φ = 14162889528.
The previous prime is 21244334299. The next prime is 21244334347. The reversal of 21244334301 is 10343344212.
21244334301 is a `hidden beast` number, since 2 + 1 + 24 + 4 + 334 + 301 = 666.
It can be written as a sum of positive squares in only one way, i.e., 19244903076 + 1999431225 = 138726^2 + 44715^2 .
It is not a de Polignac number, because 21244334301 - 21 = 21244334299 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21244334401) 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 5 ways as a sum of consecutive naturals, for example, 1180240786 + ... + 1180240803.
Almost surely, 221244334301 is an apocalyptic number.
It is an amenable number.
21244334301 is a deficient number, since it is larger than the sum of its proper divisors (9441926369).
21244334301 is a wasteful number, since it uses less digits than its factorization.
21244334301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2360481595 (or 2360481592 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 21244334301 its reverse (10343344212), we get a palindrome (31587678513).
The spelling of 21244334301 in words is "twenty-one billion, two hundred forty-four million, three hundred thirty-four thousand, three hundred one".
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