Base | Representation |
---|---|
bin | 1000001001011… |
… | …11010100100001 |
3 | 11202121121022100 |
4 | 10010233110201 |
5 | 114444220030 |
6 | 10441001013 |
7 | 1456655553 |
oct | 404572441 |
9 | 152547270 |
10 | 68351265 |
11 | 35645354 |
12 | 1aa83169 |
13 | 11212248 |
14 | 91134d3 |
15 | 6002360 |
hex | 412f521 |
68351265 has 24 divisors (see below), whose sum is σ = 124712640. Its totient is φ = 34534944.
The previous prime is 68351251. The next prime is 68351267. The reversal of 68351265 is 56215386.
68351265 is a `hidden beast` number, since 6 + 83 + 512 + 65 = 666.
It is not a de Polignac number, because 68351265 - 26 = 68351201 is a prime.
It is not an unprimeable number, because it can be changed into a prime (68351267) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39117 + ... + 40826.
It is an arithmetic number, because the mean of its divisors is an integer number (5196360).
Almost surely, 268351265 is an apocalyptic number.
It is an amenable number.
68351265 is a deficient number, since it is larger than the sum of its proper divisors (56361375).
68351265 is a wasteful number, since it uses less digits than its factorization.
68351265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79973 (or 79970 counting only the distinct ones).
The product of its digits is 43200, while the sum is 36.
The square root of 68351265 is about 8267.4823858294. The cubic root of 68351265 is about 408.8671184745.
It can be divided in two parts, 6835 and 1265, that added together give a square (8100 = 902).
The spelling of 68351265 in words is "sixty-eight million, three hundred fifty-one thousand, two hundred sixty-five".
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