Base | Representation |
---|---|
bin | 10011100100100011… |
… | …010010001100111110 |
3 | 2000020112011021020102 |
4 | 103210203102030332 |
5 | 321014131332110 |
6 | 13353121521102 |
7 | 1342516543550 |
oct | 234443221476 |
9 | 60215137212 |
10 | 21014324030 |
11 | 8a04046747 |
12 | 40a57a3192 |
13 | 1c9b88b87b |
14 | 1034cc14d0 |
15 | 82ed2b5a5 |
hex | 4e48d233e |
21014324030 has 32 divisors (see below), whose sum is σ = 44234809344. Its totient is φ = 7037354016.
The previous prime is 21014324021. The next prime is 21014324047. The reversal of 21014324030 is 3042341012.
It is a junction number, because it is equal to n+sod(n) for n = 21014323993 and 21014324011.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 3487742 + ... + 3493761.
It is an arithmetic number, because the mean of its divisors is an integer number (1382337792).
Almost surely, 221014324030 is an apocalyptic number.
21014324030 is an abundant number, since it is smaller than the sum of its proper divisors (23220485314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21014324030 is a wasteful number, since it uses less digits than its factorization.
21014324030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6981560.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 21014324030 its reverse (3042341012), we get a palindrome (24056665042).
The spelling of 21014324030 in words is "twenty-one billion, fourteen million, three hundred twenty-four thousand, thirty".
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