Base | Representation |
---|---|
bin | 1100011010100110101… |
… | …1011011000011100100 |
3 | 202101120020211021221120 |
4 | 3012221223123003210 |
5 | 11443314313130040 |
6 | 241553322013540 |
7 | 21260530122165 |
oct | 3065153330344 |
9 | 671506737846 |
10 | 213300130020 |
11 | 825073a979a |
12 | 354099472b0 |
13 | 17163935bb3 |
14 | a47665576c |
15 | 5835e0d7d0 |
hex | 31a9adb0e4 |
213300130020 has 96 divisors (see below), whose sum is σ = 612834647040. Its totient is φ = 55402247040.
The previous prime is 213300130009. The next prime is 213300130049. The reversal of 213300130020 is 20031003312.
213300130020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 811075 + ... + 1041365.
It is an arithmetic number, because the mean of its divisors is an integer number (6383694240).
Almost surely, 2213300130020 is an apocalyptic number.
213300130020 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 213300130020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306417323520).
213300130020 is an abundant number, since it is smaller than the sum of its proper divisors (399534517020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
213300130020 is a wasteful number, since it uses less digits than its factorization.
213300130020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 230705 (or 230703 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 213300130020 its reverse (20031003312), we get a palindrome (233331133332).
The spelling of 213300130020 in words is "two hundred thirteen billion, three hundred million, one hundred thirty thousand, twenty".
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