Base | Representation |
---|---|
bin | 11100111001011001111… |
… | …01111111010010100101 |
3 | 10111220211100021011122011 |
4 | 32130230331333102211 |
5 | 112231420311033101 |
6 | 2040043411034221 |
7 | 131506533560506 |
oct | 16345475772245 |
9 | 3456740234564 |
10 | 992891892901 |
11 | 3530a0652917 |
12 | 14051959b971 |
13 | 72824770ccc |
14 | 360b03c8bad |
15 | 1ac626e5751 |
hex | e72cf7f4a5 |
992891892901 has 8 divisors (see below), whose sum is σ = 1006450126200. Its totient is φ = 979406750400.
The previous prime is 992891892821. The next prime is 992891892913. The reversal of 992891892901 is 109298198299.
It can be written as a sum of positive squares in 4 ways, for example, as 143130562276 + 849761330625 = 378326^2 + 921825^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 992891892901 - 213 = 992891884709 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (992891892101) 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, 18245346 + ... + 18299683.
It is an arithmetic number, because the mean of its divisors is an integer number (125806265775).
Almost surely, 2992891892901 is an apocalyptic number.
It is an amenable number.
992891892901 is a deficient number, since it is larger than the sum of its proper divisors (13558233299).
992891892901 is a wasteful number, since it uses less digits than its factorization.
992891892901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36545399.
The product of its (nonzero) digits is 15116544, while the sum is 67.
The spelling of 992891892901 in words is "nine hundred ninety-two billion, eight hundred ninety-one million, eight hundred ninety-two thousand, nine hundred one".
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