Base | Representation |
---|---|
bin | 1110111011110… |
… | …00111010001001 |
3 | 22201201200001220 |
4 | 13131320322021 |
5 | 224032311120 |
6 | 20233032253 |
7 | 3050553345 |
oct | 735707211 |
9 | 281650056 |
10 | 125275785 |
11 | 64795608 |
12 | 35b55689 |
13 | 1cc533ab |
14 | 128d0625 |
15 | aee8b40 |
hex | 7778e89 |
125275785 has 8 divisors (see below), whose sum is σ = 200441280. Its totient is φ = 66813744.
The previous prime is 125275783. The next prime is 125275793. The reversal of 125275785 is 587572521.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 125275785 - 21 = 125275783 is a prime.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (125275783) 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, 4175845 + ... + 4175874.
It is an arithmetic number, because the mean of its divisors is an integer number (25055160).
Almost surely, 2125275785 is an apocalyptic number.
125275785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
125275785 is a deficient number, since it is larger than the sum of its proper divisors (75165495).
125275785 is an equidigital number, since it uses as much as digits as its factorization.
125275785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8351727.
The product of its digits is 196000, while the sum is 42.
The square root of 125275785 is about 11192.6665723589. Note that the first 3 decimals coincide. The cubic root of 125275785 is about 500.3674432381.
The spelling of 125275785 in words is "one hundred twenty-five million, two hundred seventy-five thousand, seven hundred eighty-five".
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