Base | Representation |
---|---|
bin | 1111000110101… |
… | …01111010101101 |
3 | 22211102022000211 |
4 | 13203111322231 |
5 | 224414032300 |
6 | 20323422421 |
7 | 3065656165 |
oct | 743257255 |
9 | 284368024 |
10 | 126705325 |
11 | 6558164a |
12 | 36524a11 |
13 | 20333c86 |
14 | 12b835a5 |
15 | b1cc4ba |
hex | 78d5ead |
126705325 has 6 divisors (see below), whose sum is σ = 157114634. Its totient is φ = 101364240.
The previous prime is 126705323. The next prime is 126705349. The reversal of 126705325 is 523507621.
It can be written as a sum of positive squares in 3 ways, for example, as 7327849 + 119377476 = 2707^2 + 10926^2 .
It is not a de Polignac number, because 126705325 - 21 = 126705323 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 (126705323) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2534082 + ... + 2534131.
Almost surely, 2126705325 is an apocalyptic number.
It is an amenable number.
126705325 is a deficient number, since it is larger than the sum of its proper divisors (30409309).
126705325 is an equidigital number, since it uses as much as digits as its factorization.
126705325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5068223 (or 5068218 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 31.
The square root of 126705325 is about 11256.3459879305. The cubic root of 126705325 is about 502.2635043006.
The spelling of 126705325 in words is "one hundred twenty-six million, seven hundred five thousand, three hundred twenty-five".
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