Base | Representation |
---|---|
bin | 1111100100011… |
… | …01000010100101 |
3 | 100002202020001201 |
4 | 13302031002211 |
5 | 231413214000 |
6 | 20543122501 |
7 | 3144043204 |
oct | 762150245 |
9 | 302666051 |
10 | 130601125 |
11 | 677a2616 |
12 | 378a3431 |
13 | 21099295 |
14 | 134b923b |
15 | b6eb96a |
hex | 7c8d0a5 |
130601125 has 8 divisors (see below), whose sum is σ = 162990360. Its totient is φ = 104480800.
The previous prime is 130601111. The next prime is 130601129. The reversal of 130601125 is 521106031.
It can be written as a sum of positive squares in 4 ways, for example, as 29658916 + 100942209 = 5446^2 + 10047^2 .
It is not a de Polignac number, because 130601125 - 213 = 130592933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130601129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 522280 + ... + 522529.
It is an arithmetic number, because the mean of its divisors is an integer number (20373795).
Almost surely, 2130601125 is an apocalyptic number.
It is an amenable number.
130601125 is a deficient number, since it is larger than the sum of its proper divisors (32389235).
130601125 is an equidigital number, since it uses as much as digits as its factorization.
130601125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1044824 (or 1044814 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 19.
The square root of 130601125 is about 11428.0849226806. The cubic root of 130601125 is about 507.3593161617.
Adding to 130601125 its reverse (521106031), we get a palindrome (651707156).
The spelling of 130601125 in words is "one hundred thirty million, six hundred one thousand, one hundred twenty-five".
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