Search a number
-
+
30465242333 = 19284391253
BaseRepresentation
bin11100010111110111…
…101011010011011101
32220122011201122212122
4130113313223103131
5444343100223313
621555011512325
72125646200331
oct342767532335
986564648778
1030465242333
1111a13920529
125aa28b86a5
132b4689a816
1416901537c1
15bd48c8708
hex717deb4dd

30465242333 has 6 divisors (see below), whose sum is σ = 32153067774. Its totient is φ = 28861808184.

The previous prime is 30465242293. The next prime is 30465242359. The reversal of 30465242333 is 33324256403.

It can be written as a sum of positive squares in only one way, i.e., 18517222084 + 11948020249 = 136078^2 + 109307^2 .

It is not a de Polignac number, because 30465242333 - 228 = 30196806877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30465242293 and 30465242302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30465242233) 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 5 ways as a sum of consecutive naturals, for example, 42195266 + ... + 42195987.

It is an arithmetic number, because the mean of its divisors is an integer number (5358844629).

Almost surely, 230465242333 is an apocalyptic number.

It is an amenable number.

30465242333 is a deficient number, since it is larger than the sum of its proper divisors (1687825441).

30465242333 is an equidigital number, since it uses as much as digits as its factorization.

30465242333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84391291 (or 84391272 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 35.

Adding to 30465242333 its reverse (33324256403), we get a palindrome (63789498736).

The spelling of 30465242333 in words is "thirty billion, four hundred sixty-five million, two hundred forty-two thousand, three hundred thirty-three".

Divisors: 1 19 361 84391253 1603433807 30465242333