Base | Representation |
---|---|
bin | 1110111101010… |
… | …11101110000001 |
3 | 22202010020120001 |
4 | 13132223232001 |
5 | 224110441110 |
6 | 20241320001 |
7 | 3052411201 |
oct | 736535601 |
9 | 282106501 |
10 | 125483905 |
11 | 64917a08 |
12 | 36036001 |
13 | 1ccc7041 |
14 | 12946401 |
15 | b03a63a |
hex | 77abb81 |
125483905 has 4 divisors (see below), whose sum is σ = 150580692. Its totient is φ = 100387120.
The previous prime is 125483887. The next prime is 125483921. The reversal of 125483905 is 509384521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 509384521 = 107 ⋅4760603.
It can be written as a sum of positive squares in 2 ways, for example, as 69772609 + 55711296 = 8353^2 + 7464^2 .
It is not a de Polignac number, because 125483905 - 217 = 125352833 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12548386 + ... + 12548395.
It is an arithmetic number, because the mean of its divisors is an integer number (37645173).
Almost surely, 2125483905 is an apocalyptic number.
It is an amenable number.
125483905 is a deficient number, since it is larger than the sum of its proper divisors (25096787).
125483905 is an equidigital number, since it uses as much as digits as its factorization.
125483905 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25096786.
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 125483905 is about 11201.9598731651. The cubic root of 125483905 is about 500.6443758694.
The spelling of 125483905 in words is "one hundred twenty-five million, four hundred eighty-three thousand, nine hundred five".
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