Search a number
-
+
243010303220 = 22512150515161
BaseRepresentation
bin1110001001010010001…
…0101111010011110100
3212020020210202110200202
43202110202233103310
512440141114200340
6303345402100032
723362010332016
oct3422442572364
9766223673622
10243010303220
1194072a87643
123b11b7aa618
1319bb9c52839
14ba943b81b6
1564c4387c15
hex38948af4f4

243010303220 has 12 divisors (see below), whose sum is σ = 510321636804. Its totient is φ = 97204121280.

The previous prime is 243010303219. The next prime is 243010303229. The reversal of 243010303220 is 22303010342.

243010303220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 73248174736 + 169762128484 = 270644^2 + 412022^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12150515161 = 243010303220 / (2 + 4 + 3 + 0 + 1 + 0 + 3 + 0 + 3 + 2 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 243010303192 and 243010303201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243010303229) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6075257561 + ... + 6075257600.

It is an arithmetic number, because the mean of its divisors is an integer number (42526803067).

Almost surely, 2243010303220 is an apocalyptic number.

243010303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

243010303220 is an abundant number, since it is smaller than the sum of its proper divisors (267311333584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243010303220 is a wasteful number, since it uses less digits than its factorization.

243010303220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12150515170 (or 12150515168 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 243010303220 its reverse (22303010342), we get a palindrome (265313313562).

The spelling of 243010303220 in words is "two hundred forty-three billion, ten million, three hundred three thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 12150515161 24301030322 48602060644 60752575805 121505151610 243010303220