Base | Representation |
---|---|
bin | 10111001111111… |
… | …10110010000000 |
3 | 111120222120001200 |
4 | 23213332302000 |
5 | 344411431034 |
6 | 31204101200 |
7 | 4555505001 |
oct | 1347766200 |
9 | 446876050 |
10 | 195030144 |
11 | a00a9041 |
12 | 55394800 |
13 | 3153716a |
14 | 1bc8b1a8 |
15 | 121c6a99 |
hex | b9fec80 |
195030144 has 96 divisors (see below), whose sum is σ = 568588800. Its totient is φ = 64157184.
The previous prime is 195030139. The next prime is 195030151. The reversal of 195030144 is 441030591.
195030144 is a `hidden beast` number, since 19 + 503 + 0 + 144 = 666.
195030144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (96).
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, 89937 + ... + 92079.
It is an arithmetic number, because the mean of its divisors is an integer number (5922800).
Almost surely, 2195030144 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 195030144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284294400).
195030144 is an abundant number, since it is smaller than the sum of its proper divisors (373558656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
195030144 is a wasteful number, since it uses less digits than its factorization.
195030144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2242 (or 2227 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 27.
The square root of 195030144 is about 13965.3193303984. The cubic root of 195030144 is about 579.9188788647.
The spelling of 195030144 in words is "one hundred ninety-five million, thirty thousand, one hundred forty-four".
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