Base | Representation |
---|---|
bin | 111101001101011000… |
… | …0011100111110000000 |
3 | 110120021122201202201221 |
4 | 1322122300130332000 |
5 | 4123200011133322 |
6 | 140215111204424 |
7 | 12332224364446 |
oct | 1723260347600 |
9 | 416248652657 |
10 | 131445411712 |
11 | 5082256536a |
12 | 21584976714 |
13 | c51a493134 |
14 | 650d43cb96 |
15 | 3644bc89c7 |
hex | 1e9ac1cf80 |
131445411712 has 16 divisors (see below), whose sum is σ = 261863906400. Its totient is φ = 65722705792.
The previous prime is 131445411707. The next prime is 131445411719. The reversal of 131445411712 is 217114544131.
It is a tau number, because it is divible by the number of its divisors (16).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131445411719) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513458512 + ... + 513458767.
It is an arithmetic number, because the mean of its divisors is an integer number (16366494150).
Almost surely, 2131445411712 is an apocalyptic number.
It is an amenable number.
131445411712 is a deficient number, since it is larger than the sum of its proper divisors (130418494688).
131445411712 is an equidigital number, since it uses as much as digits as its factorization.
131445411712 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1026917293 (or 1026917281 counting only the distinct ones).
The product of its digits is 13440, while the sum is 34.
Adding to 131445411712 its reverse (217114544131), we get a palindrome (348559955843).
The spelling of 131445411712 in words is "one hundred thirty-one billion, four hundred forty-five million, four hundred eleven thousand, seven hundred twelve".
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