Base | Representation |
---|---|
bin | 1111001000101010… |
… | …10010010100110001 |
3 | 202222022001000001221 |
4 | 13210111102110301 |
5 | 113120143041000 |
6 | 3422151025041 |
7 | 405235520614 |
oct | 74425222461 |
9 | 22868030057 |
10 | 8125752625 |
11 | 349a859241 |
12 | 16a936b181 |
13 | 9c6602563 |
14 | 57128017b |
15 | 32858a61a |
hex | 1e4552531 |
8125752625 has 16 divisors (see below), whose sum is σ = 10152906192. Its totient is φ = 6492931200.
The previous prime is 8125752559. The next prime is 8125752637. The reversal of 8125752625 is 5262575218.
It can be written as a sum of positive squares in 8 ways, for example, as 2519337249 + 5606415376 = 50193^2 + 74876^2 .
It is a de Polignac number, because none of the positive numbers 2k-8125752625 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69199 + ... + 145051.
It is an arithmetic number, because the mean of its divisors is an integer number (634556637).
Almost surely, 28125752625 is an apocalyptic number.
It is an amenable number.
8125752625 is a deficient number, since it is larger than the sum of its proper divisors (2027153567).
8125752625 is an equidigital number, since it uses as much as digits as its factorization.
8125752625 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76725 (or 76715 counting only the distinct ones).
The product of its digits is 336000, while the sum is 43.
The square root of 8125752625 is about 90142.9566022770. The cubic root of 8125752625 is about 2010.4249511980.
The spelling of 8125752625 in words is "eight billion, one hundred twenty-five million, seven hundred fifty-two thousand, six hundred twenty-five".
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