Base | Representation |
---|---|
bin | 11000110101000101… |
… | …10001010000010000 |
3 | 1021102000011112211100 |
4 | 30122202301100100 |
5 | 204300014133034 |
6 | 10042424544400 |
7 | 651223015146 |
oct | 143242612020 |
9 | 37360145740 |
10 | 13330224144 |
11 | 5720622776 |
12 | 2700322100 |
13 | 13459227c3 |
14 | 906569596 |
15 | 530431099 |
hex | 31a8b1410 |
13330224144 has 60 divisors (see below), whose sum is σ = 39500597916. Its totient is φ = 4182030336.
The previous prime is 13330224143. The next prime is 13330224157. The reversal of 13330224144 is 44142203331.
It can be written as a sum of positive squares in 2 ways, for example, as 4433961744 + 8896262400 = 66588^2 + 94320^2 .
It is not an unprimeable number, because it can be changed into a prime (13330224143) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2720229 + ... + 2725124.
Almost surely, 213330224144 is an apocalyptic number.
It is an amenable number.
13330224144 is an abundant number, since it is smaller than the sum of its proper divisors (26170373772).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13330224144 is a wasteful number, since it uses less digits than its factorization.
13330224144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5445384 (or 5445375 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 27.
Adding to 13330224144 its reverse (44142203331), we get a palindrome (57472427475).
The spelling of 13330224144 in words is "thirteen billion, three hundred thirty million, two hundred twenty-four thousand, one hundred forty-four".
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