Base | Representation |
---|---|
bin | 1011110100010… |
… | …00011111000001 |
3 | 20220112002012011 |
4 | 11322020133001 |
5 | 200334001220 |
6 | 13500332521 |
7 | 2312356465 |
oct | 572103701 |
9 | 226462164 |
10 | 99125185 |
11 | 50a54245 |
12 | 29244141 |
13 | 176c8573 |
14 | d2444a5 |
15 | 8a8065a |
hex | 5e887c1 |
99125185 has 12 divisors (see below), whose sum is σ = 125542548. Its totient is φ = 75125088.
The previous prime is 99125179. The next prime is 99125207. The reversal of 99125185 is 58152199.
It can be written as a sum of positive squares in 2 ways, for example, as 35141184 + 63984001 = 5928^2 + 7999^2 .
It is not a de Polignac number, because 99125185 - 25 = 99125153 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 25654 + ... + 29263.
It is an arithmetic number, because the mean of its divisors is an integer number (10461879).
Almost surely, 299125185 is an apocalyptic number.
99125185 is a gapful number since it is divisible by the number (95) formed by its first and last digit.
It is an amenable number.
99125185 is a deficient number, since it is larger than the sum of its proper divisors (26417363).
99125185 is a wasteful number, since it uses less digits than its factorization.
99125185 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54960 (or 54941 counting only the distinct ones).
The product of its digits is 32400, while the sum is 40.
The square root of 99125185 is about 9956.1631666019. The cubic root of 99125185 is about 462.8014066502.
The spelling of 99125185 in words is "ninety-nine million, one hundred twenty-five thousand, one hundred eighty-five".
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