Base | Representation |
---|---|
bin | 1110111010110… |
… | …00000101100001 |
3 | 22201110211122122 |
4 | 13131120011201 |
5 | 224014010340 |
6 | 20230114025 |
7 | 3046453400 |
oct | 735300541 |
9 | 281424578 |
10 | 125141345 |
11 | 647035aa |
12 | 35aab915 |
13 | 1cc07144 |
14 | 12897637 |
15 | aebddb5 |
hex | 7758161 |
125141345 has 24 divisors (see below), whose sum is σ = 177105384. Its totient is φ = 84623616.
The previous prime is 125141299. The next prime is 125141347. The reversal of 125141345 is 543141521.
It can be written as a sum of positive squares in 4 ways, for example, as 8479744 + 116661601 = 2912^2 + 10801^2 .
It is a de Polignac number, because none of the positive numbers 2k-125141345 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (125141347) 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 23 ways as a sum of consecutive naturals, for example, 14387 + ... + 21383.
It is an arithmetic number, because the mean of its divisors is an integer number (7379391).
Almost surely, 2125141345 is an apocalyptic number.
It is an amenable number.
125141345 is a deficient number, since it is larger than the sum of its proper divisors (51964039).
125141345 is an equidigital number, since it uses as much as digits as its factorization.
125141345 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7089 (or 7082 counting only the distinct ones).
The product of its digits is 2400, while the sum is 26.
The square root of 125141345 is about 11186.6592421509. The cubic root of 125141345 is about 500.1883890102.
Adding to 125141345 its reverse (543141521), we get a palindrome (668282866).
The spelling of 125141345 in words is "one hundred twenty-five million, one hundred forty-one thousand, three hundred forty-five".
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