Base | Representation |
---|---|
bin | 1110111011110… |
… | …00111001111011 |
3 | 22201201200001101 |
4 | 13131320321323 |
5 | 224032311041 |
6 | 20233032231 |
7 | 3050553325 |
oct | 735707173 |
9 | 281650041 |
10 | 125275771 |
11 | 647955a5 |
12 | 35b55677 |
13 | 1cc5339a |
14 | 128d0615 |
15 | aee8b31 |
hex | 7778e7b |
125275771 has 8 divisors (see below), whose sum is σ = 133863840. Its totient is φ = 116823168.
The previous prime is 125275763. The next prime is 125275783. The reversal of 125275771 is 177572521.
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 125275771 - 23 = 125275763 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 125275771.
It is not an unprimeable number, because it can be changed into a prime (125275741) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31951 + ... + 35656.
It is an arithmetic number, because the mean of its divisors is an integer number (16732980).
Almost surely, 2125275771 is an apocalyptic number.
125275771 is a deficient number, since it is larger than the sum of its proper divisors (8588069).
125275771 is a wasteful number, since it uses less digits than its factorization.
125275771 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 67733.
The product of its digits is 34300, while the sum is 37.
The square root of 125275771 is about 11192.6659469494. The cubic root of 125275771 is about 500.3674245989.
The spelling of 125275771 in words is "one hundred twenty-five million, two hundred seventy-five thousand, seven hundred seventy-one".
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