Base | Representation |
---|---|
bin | 10010110111101101… |
… | …01101011101010101 |
3 | 222011001021021202112 |
4 | 21123312231131111 |
5 | 131222014100341 |
6 | 4353142320405 |
7 | 506025051353 |
oct | 113366553525 |
9 | 28131237675 |
10 | 10131003221 |
11 | 4329761739 |
12 | 1b68a29105 |
13 | c55b97781 |
14 | 6c17047d3 |
15 | 3e4638aeb |
hex | 25bdad755 |
10131003221 has 8 divisors (see below), whose sum is σ = 10305640800. Its totient is φ = 9956463280.
The previous prime is 10131003217. The next prime is 10131003227. The reversal of 10131003221 is 12230013101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 10131003221 - 22 = 10131003217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 10131003196 and 10131003205.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131003227) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202970 + ... + 247908.
It is an arithmetic number, because the mean of its divisors is an integer number (1288205100).
Almost surely, 210131003221 is an apocalyptic number.
It is an amenable number.
10131003221 is a deficient number, since it is larger than the sum of its proper divisors (174637579).
10131003221 is an equidigital number, since it uses as much as digits as its factorization.
10131003221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48819.
The product of its (nonzero) digits is 36, while the sum is 14.
Adding to 10131003221 its reverse (12230013101), we get a palindrome (22361016322).
The spelling of 10131003221 in words is "ten billion, one hundred thirty-one million, three thousand, two hundred twenty-one".
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