Base | Representation |
---|---|
bin | 111100000101011000… |
… | …111110011001000001 |
3 | 20011112011020122112220 |
4 | 330011120332121001 |
5 | 2024111311130104 |
6 | 45345431041253 |
7 | 4442511651312 |
oct | 740530763101 |
9 | 204464218486 |
10 | 64514942529 |
11 | 253a7004224 |
12 | 10605b10229 |
13 | 6111c6610b |
14 | 31a036c609 |
15 | 1a28ce37d9 |
hex | f0563e641 |
64514942529 has 16 divisors (see below), whose sum is σ = 90559176000. Its totient is φ = 40740929856.
The previous prime is 64514942483. The next prime is 64514942533. The reversal of 64514942529 is 92524941546.
It is not a de Polignac number, because 64514942529 - 223 = 64506553921 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (64514942929) 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 15 ways as a sum of consecutive naturals, for example, 388747 + ... + 529295.
It is an arithmetic number, because the mean of its divisors is an integer number (5659948500).
Almost surely, 264514942529 is an apocalyptic number.
It is an amenable number.
64514942529 is a deficient number, since it is larger than the sum of its proper divisors (26044233471).
64514942529 is a wasteful number, since it uses less digits than its factorization.
64514942529 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 148624.
The product of its digits is 3110400, while the sum is 51.
The spelling of 64514942529 in words is "sixty-four billion, five hundred fourteen million, nine hundred forty-two thousand, five hundred twenty-nine".
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