Base | Representation |
---|---|
bin | 1111100001011… |
… | …0000101000001 |
3 | 11112111112100120 |
4 | 3320112011001 |
5 | 113131232040 |
6 | 10243210453 |
7 | 1420234113 |
oct | 370260501 |
9 | 145445316 |
10 | 65102145 |
11 | 33826229 |
12 | 19976a29 |
13 | 106453a4 |
14 | 89093b3 |
15 | 5aae7d0 |
hex | 3e16141 |
65102145 has 8 divisors (see below), whose sum is σ = 104163456. Its totient is φ = 34721136.
The previous prime is 65102143. The next prime is 65102171. The reversal of 65102145 is 54120156.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 65102145 - 21 = 65102143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (65102143) 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 7 ways as a sum of consecutive naturals, for example, 2170057 + ... + 2170086.
It is an arithmetic number, because the mean of its divisors is an integer number (13020432).
Almost surely, 265102145 is an apocalyptic number.
It is an amenable number.
65102145 is a deficient number, since it is larger than the sum of its proper divisors (39061311).
65102145 is a wasteful number, since it uses less digits than its factorization.
65102145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4340151.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 65102145 is about 8068.5900255249. The cubic root of 65102145 is about 402.2830794941.
The spelling of 65102145 in words is "sixty-five million, one hundred two thousand, one hundred forty-five".
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