Base | Representation |
---|---|
bin | 10010110111101111… |
… | …01000010001010101 |
3 | 222011001201112012121 |
4 | 21123313220101111 |
5 | 131222044302432 |
6 | 4353151415541 |
7 | 506030103601 |
oct | 113367502125 |
9 | 28131645177 |
10 | 10131244117 |
11 | 4329906725 |
12 | 1b68b245b1 |
13 | c55c50307 |
14 | 6c1768501 |
15 | 3e4685197 |
hex | 25bde8455 |
10131244117 has 2 divisors, whose sum is σ = 10131244118. Its totient is φ = 10131244116.
The previous prime is 10131244021. The next prime is 10131244139. The reversal of 10131244117 is 71144213101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 6540118641 + 3591125476 = 80871^2 + 59926^2 .
It is a cyclic number.
It is not a de Polignac number, because 10131244117 - 219 = 10130719829 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 10131244091 and 10131244100.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10131244157) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5065622058 + 5065622059.
It is an arithmetic number, because the mean of its divisors is an integer number (5065622059).
Almost surely, 210131244117 is an apocalyptic number.
It is an amenable number.
10131244117 is a deficient number, since it is larger than the sum of its proper divisors (1).
10131244117 is an equidigital number, since it uses as much as digits as its factorization.
10131244117 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 672, while the sum is 25.
Adding to 10131244117 its reverse (71144213101), we get a palindrome (81275457218).
The spelling of 10131244117 in words is "ten billion, one hundred thirty-one million, two hundred forty-four thousand, one hundred seventeen".
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