Base | Representation |
---|---|
bin | 11000100110000010… |
… | …11011110110101000 |
3 | 1021002012201222220000 |
4 | 30103001123312220 |
5 | 204020213421344 |
6 | 10022120303000 |
7 | 645131350446 |
oct | 142301336650 |
9 | 37065658800 |
10 | 13204045224 |
11 | 5666380677 |
12 | 2686011a60 |
13 | 1325744316 |
14 | 8d38c1b96 |
15 | 524309a69 |
hex | 31305bda8 |
13204045224 has 80 divisors (see below), whose sum is σ = 37102280820. Its totient is φ = 4387219200.
The previous prime is 13204045223. The next prime is 13204045247. The reversal of 13204045224 is 42254040231.
13204045224 is a `hidden beast` number, since 1 + 3 + 204 + 0 + 452 + 2 + 4 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 12863642724 + 340402500 = 113418^2 + 18450^2 .
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (13204045223) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 170274 + ... + 235374.
Almost surely, 213204045224 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 13204045224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18551140410).
13204045224 is an abundant number, since it is smaller than the sum of its proper divisors (23898235596).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13204045224 is a wasteful number, since it uses less digits than its factorization.
13204045224 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65432 (or 65419 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
Adding to 13204045224 its reverse (42254040231), we get a palindrome (55458085455).
The spelling of 13204045224 in words is "thirteen billion, two hundred four million, forty-five thousand, two hundred twenty-four".
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