Base | Representation |
---|---|
bin | 111100000001000101… |
… | …111000010101101101 |
3 | 20011100010112212012122 |
4 | 330001011320111231 |
5 | 2023434331000031 |
6 | 45334333242325 |
7 | 4440645000266 |
oct | 740105702555 |
9 | 204303485178 |
10 | 64442828141 |
11 | 2536a32965a |
12 | 105a59333a5 |
13 | 6100037093 |
14 | 319495996d |
15 | 1a227eb47b |
hex | f0117856d |
64442828141 has 8 divisors (see below), whose sum is σ = 66492451200. Its totient is φ = 62421475968.
The previous prime is 64442828119. The next prime is 64442828147. The reversal of 64442828141 is 14182824446.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 64442828141 - 218 = 64442565997 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 64442828092 and 64442828101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64442828147) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7063091 + ... + 7072208.
It is an arithmetic number, because the mean of its divisors is an integer number (8311556400).
Almost surely, 264442828141 is an apocalyptic number.
It is an amenable number.
64442828141 is a deficient number, since it is larger than the sum of its proper divisors (2049623059).
64442828141 is a wasteful number, since it uses less digits than its factorization.
64442828141 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14135443.
The product of its digits is 393216, while the sum is 44.
The spelling of 64442828141 in words is "sixty-four billion, four hundred forty-two million, eight hundred twenty-eight thousand, one hundred forty-one".
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