Base | Representation |
---|---|
bin | 1110111010101… |
… | …00001010000111 |
3 | 22201110000120201 |
4 | 13131110022013 |
5 | 224013002010 |
6 | 20225511331 |
7 | 3046355443 |
oct | 735241207 |
9 | 281400521 |
10 | 125125255 |
11 | 646a2502 |
12 | 35aa2547 |
13 | 1cbcca18 |
14 | 12891823 |
15 | aeb923a |
hex | 7754287 |
125125255 has 4 divisors (see below), whose sum is σ = 150150312. Its totient is φ = 100100200.
The previous prime is 125125243. The next prime is 125125277. The reversal of 125125255 is 552521521.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 552521521 = 233 ⋅2371337.
It is not a de Polignac number, because 125125255 - 213 = 125117063 is a prime.
It is a Duffinian number.
It is a congruent 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, 12512521 + ... + 12512530.
It is an arithmetic number, because the mean of its divisors is an integer number (37537578).
Almost surely, 2125125255 is an apocalyptic number.
125125255 is a deficient number, since it is larger than the sum of its proper divisors (25025057).
125125255 is an equidigital number, since it uses as much as digits as its factorization.
125125255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25025056.
The product of its digits is 5000, while the sum is 28.
The square root of 125125255 is about 11185.9400588417. The cubic root of 125125255 is about 500.1669509152.
Adding to 125125255 its reverse (552521521), we get a palindrome (677646776).
The spelling of 125125255 in words is "one hundred twenty-five million, one hundred twenty-five thousand, two hundred fifty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •