Base | Representation |
---|---|
bin | 111100000010000000… |
… | …000000001110110111 |
3 | 20011101012012222000012 |
4 | 330002000000032313 |
5 | 2024002231033243 |
6 | 45340040010435 |
7 | 4441221340145 |
oct | 740200001667 |
9 | 204335188005 |
10 | 64458064823 |
11 | 25377996159 |
12 | 105aaa60a1b |
13 | 6103240379 |
14 | 31969a4595 |
15 | 1a23d0ad18 |
hex | f020003b7 |
64458064823 has 8 divisors (see below), whose sum is σ = 65473095792. Its totient is φ = 63444591936.
The previous prime is 64458064787. The next prime is 64458064829. The reversal of 64458064823 is 32846085446.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a de Polignac number, because none of the positive numbers 2k-64458064823 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (64458064829) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 305990 + ... + 471747.
It is an arithmetic number, because the mean of its divisors is an integer number (8184136974).
Almost surely, 264458064823 is an apocalyptic number.
64458064823 is a deficient number, since it is larger than the sum of its proper divisors (1015030969).
64458064823 is a wasteful number, since it uses less digits than its factorization.
64458064823 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 779041.
The product of its (nonzero) digits is 4423680, while the sum is 50.
The spelling of 64458064823 in words is "sixty-four billion, four hundred fifty-eight million, sixty-four thousand, eight hundred twenty-three".
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