Base | Representation |
---|---|
bin | 1101000101101… |
… | …10111011111000 |
3 | 21122121110221102 |
4 | 12202312323320 |
5 | 211102114313 |
6 | 14521230532 |
7 | 2502203066 |
oct | 642667370 |
9 | 248543842 |
10 | 109801208 |
11 | 56a86300 |
12 | 30932448 |
13 | 19995a3a |
14 | 10823036 |
15 | 998da58 |
hex | 68b6ef8 |
109801208 has 48 divisors (see below), whose sum is σ = 229808040. Its totient is φ = 49135680.
The previous prime is 109801189. The next prime is 109801217. The reversal of 109801208 is 802108901.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64010 + ... + 65702.
Almost surely, 2109801208 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 109801208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114904020).
109801208 is an abundant number, since it is smaller than the sum of its proper divisors (120006832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
109801208 is a wasteful number, since it uses less digits than its factorization.
109801208 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1788 (or 1773 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 29.
The square root of 109801208 is about 10478.6071593509. The cubic root of 109801208 is about 478.8531765255.
The spelling of 109801208 in words is "one hundred nine million, eight hundred one thousand, two hundred eight".
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