Base | Representation |
---|---|
bin | 111101000001011100… |
… | …1011110011111100100 |
3 | 110112020202112001022122 |
4 | 1322002321132133210 |
5 | 4121340022432233 |
6 | 140111251445112 |
7 | 12316264114205 |
oct | 1720271363744 |
9 | 415222461278 |
10 | 131045124068 |
11 | 50637613331 |
12 | 214928b6798 |
13 | c485580941 |
14 | 64b22015ac |
15 | 361e9a9d98 |
hex | 1e82e5e7e4 |
131045124068 has 6 divisors (see below), whose sum is σ = 229328967126. Its totient is φ = 65522562032.
The previous prime is 131045124061. The next prime is 131045124079. The reversal of 131045124068 is 860421540131.
It can be written as a sum of positive squares in only one way, i.e., 114834232384 + 16210891684 = 338872^2 + 127322^2 .
It is not an unprimeable number, because it can be changed into a prime (131045124061) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16380640505 + ... + 16380640512.
It is an arithmetic number, because the mean of its divisors is an integer number (38221494521).
Almost surely, 2131045124068 is an apocalyptic number.
It is an amenable number.
131045124068 is a deficient number, since it is larger than the sum of its proper divisors (98283843058).
131045124068 is a wasteful number, since it uses less digits than its factorization.
131045124068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32761281021 (or 32761281019 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 35.
Adding to 131045124068 its reverse (860421540131), we get a palindrome (991466664199).
The spelling of 131045124068 in words is "one hundred thirty-one billion, forty-five million, one hundred twenty-four thousand, sixty-eight".
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