Base | Representation |
---|---|
bin | 11001000000010010… |
… | …10100000110101000 |
3 | 1021122120000202021102 |
4 | 30200021110012220 |
5 | 204443044330230 |
6 | 10100023300532 |
7 | 653443640300 |
oct | 144011240650 |
9 | 37576022242 |
10 | 13424214440 |
11 | 5769689aaa |
12 | 27278aa748 |
13 | 135c240a70 |
14 | 914c34600 |
15 | 5387ea045 |
hex | 3202541a8 |
13424214440 has 96 divisors (see below), whose sum is σ = 37838654280. Its totient is φ = 4248534528.
The previous prime is 13424214421. The next prime is 13424214443. The reversal of 13424214440 is 4441242431.
It can be written as a sum of positive squares in 4 ways, for example, as 5892404644 + 7531809796 = 76762^2 + 86786^2 .
It is a super-2 number, since 2×134242144402 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (13424214443) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237947 + ... + 288906.
Almost surely, 213424214440 is an apocalyptic number.
13424214440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
13424214440 is an abundant number, since it is smaller than the sum of its proper divisors (24414439840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13424214440 is a wasteful number, since it uses less digits than its factorization.
13424214440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 526891 (or 526880 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 29.
Adding to 13424214440 its reverse (4441242431), we get a palindrome (17865456871).
The spelling of 13424214440 in words is "thirteen billion, four hundred twenty-four million, two hundred fourteen thousand, four hundred forty".
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