Search a number
-
+
301430243231 = 13172113472947
BaseRepresentation
bin1000110001011101010…
…01000111111110011111
31001211001012011220121122
410120232221013332133
514414312120240411
6350250344121155
730530502535565
oct4305651077637
91054035156548
10301430243231
111069215721a7
124a5044661bb
132256a238c90
1410837087a35
157c930299db
hex462ea47f9f

301430243231 has 8 divisors (see below), whose sum is σ = 324805830384. Its totient is φ = 278081605440.

The previous prime is 301430243201. The next prime is 301430243237. The reversal of 301430243231 is 132342034103.

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-301430243231 is a prime.

It is a super-2 number, since 2×3014302432312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 301430243231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301430243237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6714101 + ... + 6758846.

It is an arithmetic number, because the mean of its divisors is an integer number (40600728798).

Almost surely, 2301430243231 is an apocalyptic number.

301430243231 is a deficient number, since it is larger than the sum of its proper divisors (23375587153).

301430243231 is a wasteful number, since it uses less digits than its factorization.

301430243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13474681.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 301430243231 its reverse (132342034103), we get a palindrome (433772277334).

The spelling of 301430243231 in words is "three hundred one billion, four hundred thirty million, two hundred forty-three thousand, two hundred thirty-one".

Divisors: 1 13 1721 22373 13472947 175148311 23186941787 301430243231