Base | Representation |
---|---|
bin | 110010010111100111… |
… | …1111100011000000000 |
3 | 101100012100002101120110 |
4 | 1210233033330120000 |
5 | 3233011211003013 |
6 | 121405143511320 |
7 | 10546322255241 |
oct | 1445717743000 |
9 | 340170071513 |
10 | 108166891008 |
11 | 41967432200 |
12 | 18b68a58540 |
13 | a27a7b6a27 |
14 | 534196ccc8 |
15 | 2c311ee2c3 |
hex | 192f3fc600 |
108166891008 has 480 divisors, whose sum is σ = 329153932800. Its totient is φ = 31523880960.
The previous prime is 108166890983. The next prime is 108166891031. The reversal of 108166891008 is 800198661801.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 778179003 + ... + 778179141.
It is an arithmetic number, because the mean of its divisors is an integer number (685737360).
Almost surely, 2108166891008 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 108166891008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164576966400).
108166891008 is an abundant number, since it is smaller than the sum of its proper divisors (220987041792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
108166891008 is a wasteful number, since it uses less digits than its factorization.
108166891008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 314 (or 287 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 48.
The spelling of 108166891008 in words is "one hundred eight billion, one hundred sixty-six million, eight hundred ninety-one thousand, eight".
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