Base | Representation |
---|---|
bin | 1111100001110… |
… | …0111001010100 |
3 | 11112112221122202 |
4 | 3320130321110 |
5 | 113133130233 |
6 | 10243544032 |
7 | 1420411403 |
oct | 370347124 |
9 | 145487582 |
10 | 65130068 |
11 | 33845203 |
12 | 1998b018 |
13 | 10655003 |
14 | 891563a |
15 | 5ab7be8 |
hex | 3e1ce54 |
65130068 has 12 divisors (see below), whose sum is σ = 115153332. Its totient is φ = 32229120.
The previous prime is 65130067. The next prime is 65130071. The reversal of 65130068 is 86003156.
It can be written as a sum of positive squares in 2 ways, for example, as 47169424 + 17960644 = 6868^2 + 4238^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 65130068.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65130061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83543 + ... + 84318.
It is an arithmetic number, because the mean of its divisors is an integer number (9596111).
Almost surely, 265130068 is an apocalyptic number.
It is an amenable number.
65130068 is a deficient number, since it is larger than the sum of its proper divisors (50023264).
65130068 is a wasteful number, since it uses less digits than its factorization.
65130068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167962 (or 167960 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 29.
The square root of 65130068 is about 8070.3201919131. The cubic root of 65130068 is about 402.3405857654.
The spelling of 65130068 in words is "sixty-five million, one hundred thirty thousand, sixty-eight".
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