Base | Representation |
---|---|
bin | 1111010000101… |
… | …0001111101101 |
3 | 11110102210111022 |
4 | 3310022033231 |
5 | 112341130401 |
6 | 10203503525 |
7 | 1405014536 |
oct | 364121755 |
9 | 143383438 |
10 | 64005101 |
11 | 33146a86 |
12 | 19527ba5 |
13 | 1034cc54 |
14 | 870168d |
15 | 594471b |
hex | 3d0a3ed |
64005101 has 4 divisors (see below), whose sum is σ = 64103772. Its totient is φ = 63906432.
The previous prime is 64005077. The next prime is 64005131. The reversal of 64005101 is 10150046.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10150046 = 2 ⋅5075023.
It can be written as a sum of positive squares in 2 ways, for example, as 40627876 + 23377225 = 6374^2 + 4835^2 .
It is a cyclic number.
It is not a de Polignac number, because 64005101 - 210 = 64004077 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 64005101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64005131) 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, 48356 + ... + 49661.
It is an arithmetic number, because the mean of its divisors is an integer number (16025943).
Almost surely, 264005101 is an apocalyptic number.
It is an amenable number.
64005101 is a deficient number, since it is larger than the sum of its proper divisors (98671).
64005101 is an equidigital number, since it uses as much as digits as its factorization.
64005101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 98670.
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 64005101 is about 8000.3188061477. The cubic root of 64005101 is about 400.0106268010.
Adding to 64005101 its reverse (10150046), we get a palindrome (74155147).
The spelling of 64005101 in words is "sixty-four million, five thousand, one hundred one".
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