Base | Representation |
---|---|
bin | 10010110111101111… |
… | …00011011011100011 |
3 | 222011001200112000022 |
4 | 21123313203123203 |
5 | 131222043134131 |
6 | 4353151144055 |
7 | 506026662026 |
oct | 113367433343 |
9 | 28131615008 |
10 | 10131224291 |
11 | 43298a2841 |
12 | 1b68b1502b |
13 | c55c44296 |
14 | 6c17611bd |
15 | 3e467e37b |
hex | 25bde36e3 |
10131224291 has 4 divisors (see below), whose sum is σ = 10179239784. Its totient is φ = 10083208800.
The previous prime is 10131224221. The next prime is 10131224293. The reversal of 10131224291 is 19242213101.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19242213101 = 13487 ⋅1426723.
It is a cyclic number.
It is not a de Polignac number, because 10131224291 - 218 = 10130962147 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 10131224291.
It is not an unprimeable number, because it can be changed into a prime (10131224293) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24007430 + ... + 24007851.
It is an arithmetic number, because the mean of its divisors is an integer number (2544809946).
Almost surely, 210131224291 is an apocalyptic number.
10131224291 is a deficient number, since it is larger than the sum of its proper divisors (48015493).
10131224291 is an equidigital number, since it uses as much as digits as its factorization.
10131224291 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48015492.
The product of its (nonzero) digits is 864, while the sum is 26.
Adding to 10131224291 its reverse (19242213101), we get a palindrome (29373437392).
The spelling of 10131224291 in words is "ten billion, one hundred thirty-one million, two hundred twenty-four thousand, two hundred ninety-one".
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