Base | Representation |
---|---|
bin | 111101001101010110… |
… | …0000001011110111011 |
3 | 110120021120112202221010 |
4 | 1322122230001132323 |
5 | 4123144212004210 |
6 | 140215030245003 |
7 | 12332211460242 |
oct | 1723254013673 |
9 | 416246482833 |
10 | 131444250555 |
11 | 50821941a32 |
12 | 215844b6763 |
13 | c51a177767 |
14 | 650d219959 |
15 | 3644a49920 |
hex | 1e9ab017bb |
131444250555 has 16 divisors (see below), whose sum is σ = 210657291264. Its totient is φ = 69988103520.
The previous prime is 131444250551. The next prime is 131444250559. The reversal of 131444250555 is 555052444131.
It is an interprime number because it is at equal distance from previous prime (131444250551) and next prime (131444250559).
It is not a de Polignac number, because 131444250555 - 22 = 131444250551 is a prime.
It is not an unprimeable number, because it can be changed into a prime (131444250551) 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, 7209141 + ... + 7227350.
It is an arithmetic number, because the mean of its divisors is an integer number (13166080704).
Almost surely, 2131444250555 is an apocalyptic number.
131444250555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
131444250555 is a deficient number, since it is larger than the sum of its proper divisors (79213040709).
131444250555 is a wasteful number, since it uses less digits than its factorization.
131444250555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14437106.
The product of its (nonzero) digits is 240000, while the sum is 39.
Adding to 131444250555 its reverse (555052444131), we get a palindrome (686496694686).
The spelling of 131444250555 in words is "one hundred thirty-one billion, four hundred forty-four million, two hundred fifty thousand, five hundred fifty-five".
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