Base | Representation |
---|---|
bin | 111011111001110101… |
… | …100010111110111000 |
3 | 20011000122111201121120 |
4 | 323321311202332320 |
5 | 2023212200341343 |
6 | 45314304305240 |
7 | 4434636243636 |
oct | 737165427670 |
9 | 204018451546 |
10 | 64321105848 |
11 | 2530765091a |
12 | 10571012220 |
13 | 60b0a5925c |
14 | 3182712356 |
15 | 1a16ca5683 |
hex | ef9d62fb8 |
64321105848 has 64 divisors (see below), whose sum is σ = 163701457920. Its totient is φ = 21057254400.
The previous prime is 64321105817. The next prime is 64321105861. The reversal of 64321105848 is 84850112346.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199513 + ... + 410423.
It is an arithmetic number, because the mean of its divisors is an integer number (2557835280).
Almost surely, 264321105848 is an apocalyptic number.
It is an amenable number.
64321105848 is an abundant number, since it is smaller than the sum of its proper divisors (99380352072).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64321105848 is a wasteful number, since it uses less digits than its factorization.
64321105848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 211148 (or 211144 counting only the distinct ones).
The product of its (nonzero) digits is 184320, while the sum is 42.
The spelling of 64321105848 in words is "sixty-four billion, three hundred twenty-one million, one hundred five thousand, eight hundred forty-eight".
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