Base | Representation |
---|---|
bin | 101000010101000100… |
… | …010101010001101101 |
3 | 11010202212110221022211 |
4 | 220111010111101231 |
5 | 1202141100131341 |
6 | 31520532210421 |
7 | 3062043351031 |
oct | 502504252155 |
9 | 133685427284 |
10 | 43303130221 |
11 | 1740154072a |
12 | 8486169a11 |
13 | 41114bc5a0 |
14 | 214b1601c1 |
15 | 11d69a7181 |
hex | a1511546d |
43303130221 has 8 divisors (see below), whose sum is σ = 46766253240. Its totient is φ = 39858880512.
The previous prime is 43303130207. The next prime is 43303130243. The reversal of 43303130221 is 12203130334.
It can be written as a sum of positive squares in 4 ways, for example, as 275925321 + 43027204900 = 16611^2 + 207430^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 43303130221 - 219 = 43302605933 is a prime.
It is a super-2 number, since 2×433031302212 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 43303130192 and 43303130201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (43303130251) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713556 + ... + 4722733.
It is an arithmetic number, because the mean of its divisors is an integer number (5845781655).
Almost surely, 243303130221 is an apocalyptic number.
It is an amenable number.
43303130221 is a deficient number, since it is larger than the sum of its proper divisors (3463123019).
43303130221 is a wasteful number, since it uses less digits than its factorization.
43303130221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9436655.
The product of its (nonzero) digits is 1296, while the sum is 22.
Adding to 43303130221 its reverse (12203130334), we get a palindrome (55506260555).
The spelling of 43303130221 in words is "forty-three billion, three hundred three million, one hundred thirty thousand, two hundred twenty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •