Search a number
-
+
231443302304 = 257232603197
BaseRepresentation
bin1101011110001100011…
…0001000011110100000
3211010101200101221102102
43113203012020132200
512242443441133204
6254153521105532
722502244416204
oct3274306103640
9733350357372
10231443302304
118a17778a655
1238a31a882a8
1318a957146b6
14b2b80b0b04
156048b4841e
hex35e31887a0

231443302304 has 12 divisors (see below), whose sum is σ = 455654001474. Its totient is φ = 115721651136.

The previous prime is 231443302301. The next prime is 231443302339. The reversal of 231443302304 is 403203344132.

It can be written as a sum of positive squares in only one way, i.e., 230542101904 + 901200400 = 480148^2 + 30020^2 .

It is not an unprimeable number, because it can be changed into a prime (231443302301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3616301567 + ... + 3616301630.

Almost surely, 2231443302304 is an apocalyptic number.

It is an amenable number.

231443302304 is a deficient number, since it is larger than the sum of its proper divisors (224210699170).

231443302304 is an equidigital number, since it uses as much as digits as its factorization.

231443302304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7232603207 (or 7232603199 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 29.

Adding to 231443302304 its reverse (403203344132), we get a palindrome (634646646436).

The spelling of 231443302304 in words is "two hundred thirty-one billion, four hundred forty-three million, three hundred two thousand, three hundred four".

Divisors: 1 2 4 8 16 32 7232603197 14465206394 28930412788 57860825576 115721651152 231443302304