Search a number
-
+
304042520041 = 1329806478833
BaseRepresentation
bin1000110110010100101…
…10001010110111101001
31002001210020122022201121
410123022112022313221
514440134341120131
6351401502215241
730652312531141
oct4331226126751
91061706568647
10304042520041
11107a42092457
124ab13284521
13228954b9bc0
1410a03da3921
157d97532911
hex46ca58ade9

304042520041 has 8 divisors (see below), whose sum is σ = 338721110280. Its totient is φ = 270976887552.

The previous prime is 304042520003. The next prime is 304042520051. The reversal of 304042520041 is 140025240403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5008534441 + 299033985600 = 70771^2 + 546840^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-304042520041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 304042519988 and 304042520015.

It is not an unprimeable number, because it can be changed into a prime (304042520051) 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, 403239040 + ... + 403239793.

It is an arithmetic number, because the mean of its divisors is an integer number (42340138785).

Almost surely, 2304042520041 is an apocalyptic number.

It is an amenable number.

304042520041 is a deficient number, since it is larger than the sum of its proper divisors (34678590239).

304042520041 is a wasteful number, since it uses less digits than its factorization.

304042520041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806478875.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 304042520041 its reverse (140025240403), we get a palindrome (444067760444).

The spelling of 304042520041 in words is "three hundred four billion, forty-two million, five hundred twenty thousand, forty-one".

Divisors: 1 13 29 377 806478833 10484224829 23387886157 304042520041