Base | Representation |
---|---|
bin | 10010110111101111… |
… | …01101111110011101 |
3 | 222011001202201021002 |
4 | 21123313231332131 |
5 | 131222101024420 |
6 | 4353152120045 |
7 | 506030231663 |
oct | 113367557635 |
9 | 28131681232 |
10 | 10131267485 |
11 | 4329922239 |
12 | 1b68b36025 |
13 | c55c5ab41 |
14 | 6c1772c33 |
15 | 3e468c075 |
hex | 25bdedf9d |
10131267485 has 8 divisors (see below), whose sum is σ = 12454046136. Its totient is φ = 7907330560.
The previous prime is 10131267481. The next prime is 10131267491. The reversal of 10131267485 is 58476213101.
It can be written as a sum of positive squares in 4 ways, for example, as 857962681 + 9273304804 = 29291^2 + 96298^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10131267485 - 22 = 10131267481 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10131267481) 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, 24710204 + ... + 24710613.
It is an arithmetic number, because the mean of its divisors is an integer number (1556755767).
Almost surely, 210131267485 is an apocalyptic number.
It is an amenable number.
10131267485 is a deficient number, since it is larger than the sum of its proper divisors (2322778651).
10131267485 is an equidigital number, since it uses as much as digits as its factorization.
10131267485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49420863.
The product of its (nonzero) digits is 40320, while the sum is 38.
The spelling of 10131267485 in words is "ten billion, one hundred thirty-one million, two hundred sixty-seven thousand, four hundred eighty-five".
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