Base | Representation |
---|---|
bin | 11011001100000001101… |
… | …011111010111001000000 |
3 | 20121121111202120100000100 |
4 | 123030001223322321000 |
5 | 221102324300030014 |
6 | 3550145250122400 |
7 | 251661120005562 |
oct | 33140153727100 |
9 | 6547452510010 |
10 | 1868339064384 |
11 | 6603a37701a1 |
12 | 26211ab80400 |
13 | 107250540000 |
14 | 665dc98b332 |
15 | 338ee430009 |
hex | 1b301afae40 |
1868339064384 has 315 divisors, whose sum is σ = 5818778600037. Its totient is φ = 573167702016.
The previous prime is 1868339064367. The next prime is 1868339064421. The reversal of 1868339064384 is 4834609338681.
The square root of 1868339064384 is 1366872.
It is a perfect power (a square), and thus also a powerful number.
1868339064384 is a `hidden beast` number, since 1 + 86 + 8 + 33 + 90 + 6 + 438 + 4 = 666.
It can be written as a sum of positive squares in 7 ways, for example, as 1766878977600 + 101460086784 = 1329240^2 + 318528^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 5544032664 + ... + 5544033000.
Almost surely, 21868339064384 is an apocalyptic number.
1868339064384 is the 1366872-nd square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1868339064384
1868339064384 is an abundant number, since it is smaller than the sum of its proper divisors (3950439535653).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1868339064384 is an frugal number, since it uses more digits than its factorization.
1868339064384 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 744 (or 355 counting only the distinct ones).
The product of its (nonzero) digits is 71663616, while the sum is 63.
The spelling of 1868339064384 in words is "one trillion, eight hundred sixty-eight billion, three hundred thirty-nine million, sixty-four thousand, three hundred eighty-four".
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