Base | Representation |
---|---|
bin | 11100111010001101011… |
… | …111110111101111000000 |
3 | 21000220212222021021212221 |
4 | 130322031133313233000 |
5 | 230022124100123320 |
6 | 4120353123100424 |
7 | 263350003312561 |
oct | 34721537675700 |
9 | 7026788237787 |
10 | 1986648832960 |
11 | 6a6595524440 |
12 | 281038811714 |
13 | 1154564bb22c |
14 | 6c223632168 |
15 | 36a25d113aa |
hex | 1ce8d7f7bc0 |
1986648832960 has 56 divisors (see below), whose sum is σ = 5160771863856. Its totient is φ = 722417756160.
The previous prime is 1986648832939. The next prime is 1986648832963. The reversal of 1986648832960 is 692388466891.
It is a self number, because there is not a number n which added to its sum of digits gives 1986648832960.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1986648832963) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282190917 + ... + 282197956.
It is an arithmetic number, because the mean of its divisors is an integer number (92156640426).
Almost surely, 21986648832960 is an apocalyptic number.
1986648832960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1986648832960 is an abundant number, since it is smaller than the sum of its proper divisors (3174123030896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1986648832960 is a wasteful number, since it uses less digits than its factorization.
1986648832960 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 564388901 (or 564388891 counting only the distinct ones).
The product of its (nonzero) digits is 214990848, while the sum is 70.
The spelling of 1986648832960 in words is "one trillion, nine hundred eighty-six billion, six hundred forty-eight million, eight hundred thirty-two thousand, nine hundred sixty".
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