Base | Representation |
---|---|
bin | 11001001111110010… |
… | …01101110100110010 |
3 | 1021222121122022121021 |
4 | 30213321031310302 |
5 | 210224334242041 |
6 | 10120545450054 |
7 | 656612621326 |
oct | 144771156462 |
9 | 37877568537 |
10 | 13554212146 |
11 | 5825aaa222 |
12 | 276334092a |
13 | 1380158497 |
14 | 9281d3986 |
15 | 544e27cd1 |
hex | 327e4dd32 |
13554212146 has 16 divisors (see below), whose sum is σ = 20902297176. Its totient is φ = 6587156736.
The previous prime is 13554212143. The next prime is 13554212167. The reversal of 13554212146 is 64121245531.
It can be written as a sum of positive squares in 4 ways, for example, as 13523131521 + 31080625 = 116289^2 + 5575^2 .
It is not an unprimeable number, because it can be changed into a prime (13554212141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21441 + ... + 166036.
Almost surely, 213554212146 is an apocalyptic number.
13554212146 is a deficient number, since it is larger than the sum of its proper divisors (7348085030).
13554212146 is a wasteful number, since it uses less digits than its factorization.
13554212146 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188493.
The product of its digits is 28800, while the sum is 34.
Adding to 13554212146 its reverse (64121245531), we get a palindrome (77675457677).
The spelling of 13554212146 in words is "thirteen billion, five hundred fifty-four million, two hundred twelve thousand, one hundred forty-six".
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