Base | Representation |
---|---|
bin | 1100010110010011001… |
… | …0010010000100001100 |
3 | 202021120200221001122102 |
4 | 3011210302102010030 |
5 | 11433432420102200 |
6 | 241242512334232 |
7 | 21220063541222 |
oct | 3054462220414 |
9 | 667520831572 |
10 | 212144300300 |
11 | 81a73a21819 |
12 | 35146844378 |
13 | 1700b33849a |
14 | a3a6d42b12 |
15 | 57b96ea6d5 |
hex | 3164c9210c |
212144300300 has 72 divisors (see below), whose sum is σ = 477948419760. Its totient is φ = 81635500800.
The previous prime is 212144300273. The next prime is 212144300309. The reversal of 212144300300 is 3003441212.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is not an unprimeable number, because it can be changed into a prime (212144300309) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 671255 + ... + 935345.
Almost surely, 2212144300300 is an apocalyptic number.
212144300300 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 212144300300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238974209880).
212144300300 is an abundant number, since it is smaller than the sum of its proper divisors (265804119460).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
212144300300 is a wasteful number, since it uses less digits than its factorization.
212144300300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 264411 (or 264404 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 212144300300 its reverse (3003441212), we get a palindrome (215147741512).
The spelling of 212144300300 in words is "two hundred twelve billion, one hundred forty-four million, three hundred thousand, three hundred".
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