Base | Representation |
---|---|
bin | 111111110100000… |
… | …1001110100010000 |
3 | 12112020002212122201 |
4 | 1333220021310100 |
5 | 13341123414100 |
6 | 552250012544 |
7 | 104030114026 |
oct | 17750116420 |
9 | 5466085581 |
10 | 2141232400 |
11 | 9a974065a |
12 | 4b9117154 |
13 | 2817c6628 |
14 | 164540716 |
15 | c7eae36a |
hex | 7fa09d10 |
2141232400 has 120 divisors (see below), whose sum is σ = 5354422920. Its totient is φ = 821882880.
The previous prime is 2141232389. The next prime is 2141232419. The reversal of 2141232400 is 42321412.
It can be written as a sum of positive squares in 12 ways, for example, as 453008656 + 1688223744 = 21284^2 + 41088^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2284732 + ... + 2285668.
It is an arithmetic number, because the mean of its divisors is an integer number (44620191).
Almost surely, 22141232400 is an apocalyptic number.
2141232400 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 2141232400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2677211460).
2141232400 is an abundant number, since it is smaller than the sum of its proper divisors (3213190520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2141232400 is a wasteful number, since it uses less digits than its factorization.
2141232400 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1181 (or 1170 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 19.
The square root of 2141232400 is about 46273.4524322532. The cubic root of 2141232400 is about 1288.9060693751.
Adding to 2141232400 its reverse (42321412), we get a palindrome (2183553812).
The spelling of 2141232400 in words is "two billion, one hundred forty-one million, two hundred thirty-two thousand, four hundred".
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