Base | Representation |
---|---|
bin | 11101010001100011001100… |
… | …11100100001000101010010 |
3 | 22102221011022201202102200000 |
4 | 32220301212130201011102 |
5 | 31414203330234142033 |
6 | 344525153525110430 |
7 | 16362626536364061 |
oct | 1650614634410522 |
9 | 272834281672600 |
10 | 64374688584018 |
11 | 1956a17450866a |
12 | 72782b4b58416 |
13 | 29bc6790b4a27 |
14 | 11c7a7438a1d8 |
15 | 76980026ca13 |
hex | 3a8c66721152 |
64374688584018 has 48 divisors (see below), whose sum is σ = 152257223183520. Its totient is φ = 20328849023616.
The previous prime is 64374688583983. The next prime is 64374688584047. The reversal of 64374688584018 is 81048588647346.
64374688584018 is a `hidden beast` number, since 6 + 4 + 3 + 7 + 468 + 85 + 84 + 0 + 1 + 8 = 666.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3485733055 + ... + 3485751522.
It is an arithmetic number, because the mean of its divisors is an integer number (3172025482990).
Almost surely, 264374688584018 is an apocalyptic number.
64374688584018 is an abundant number, since it is smaller than the sum of its proper divisors (87882534599502).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64374688584018 is a wasteful number, since it uses less digits than its factorization.
64374688584018 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6971484613 (or 6971484601 counting only the distinct ones).
The product of its (nonzero) digits is 990904320, while the sum is 72.
The spelling of 64374688584018 in words is "sixty-four trillion, three hundred seventy-four billion, six hundred eighty-eight million, five hundred eighty-four thousand, eighteen".
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