Base | Representation |
---|---|
bin | 1100001111001011000… |
… | …0100000001011100000 |
3 | 202002122101011002012022 |
4 | 3003302300200023200 |
5 | 11421023143344300 |
6 | 240325012521012 |
7 | 21121503660254 |
oct | 3036260401340 |
9 | 662571132168 |
10 | 210231231200 |
11 | 8118205a681 |
12 | 348b2020168 |
13 | 16a94baa133 |
14 | a264c36264 |
15 | 57067aa285 |
hex | 30f2c202e0 |
210231231200 has 288 divisors, whose sum is σ = 550033545600. Its totient is φ = 78318213120.
The previous prime is 210231231173. The next prime is 210231231241. The reversal of 210231231200 is 2132132012.
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, 82799531 + ... + 82802069.
It is an arithmetic number, because the mean of its divisors is an integer number (1909838700).
Almost surely, 2210231231200 is an apocalyptic number.
210231231200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 210231231200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275016772800).
210231231200 is an abundant number, since it is smaller than the sum of its proper divisors (339802314400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
210231231200 is a wasteful number, since it uses less digits than its factorization.
210231231200 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2714 (or 2701 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 210231231200 its reverse (2132132012), we get a palindrome (212363363212).
The spelling of 210231231200 in words is "two hundred ten billion, two hundred thirty-one million, two hundred thirty-one thousand, two hundred".
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