Base | Representation |
---|---|
bin | 111101001101010010… |
… | …0110000010111101101 |
3 | 110120021102221222121210 |
4 | 1322122210300113231 |
5 | 4123143220023303 |
6 | 140214521345033 |
7 | 12332156334066 |
oct | 1723244602755 |
9 | 416242858553 |
10 | 131442345453 |
11 | 50820860671 |
12 | 21583938179 |
13 | c51995b593 |
14 | 650cc8156d |
15 | 36447c0203 |
hex | 1e9a9305ed |
131442345453 has 16 divisors (see below), whose sum is σ = 176112230400. Its totient is φ = 87201367920.
The previous prime is 131442345413. The next prime is 131442345467. The reversal of 131442345453 is 354543244131.
It is not a de Polignac number, because 131442345453 - 221 = 131440248301 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131442345413) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388488 + ... + 643278.
It is an arithmetic number, because the mean of its divisors is an integer number (11007014400).
Almost surely, 2131442345453 is an apocalyptic number.
It is an amenable number.
131442345453 is a deficient number, since it is larger than the sum of its proper divisors (44669884947).
131442345453 is a wasteful number, since it uses less digits than its factorization.
131442345453 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 255632.
The product of its digits is 345600, while the sum is 39.
Adding to 131442345453 its reverse (354543244131), we get a palindrome (485985589584).
The spelling of 131442345453 in words is "one hundred thirty-one billion, four hundred forty-two million, three hundred forty-five thousand, four hundred fifty-three".
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