Search a number
-
+
30303120323 = 721469942073
BaseRepresentation
bin11100001110001101…
…001110101111000011
32220012212200000021202
4130032031032233003
5444030044322243
621530541011415
72121640162400
oct341615165703
986185600252
1030303120323
11119403598a3
125a58553b6b
132b1c116238
1416767d12a7
15bc55524b8
hex70e34ebc3

30303120323 has 12 divisors (see below), whose sum is σ = 35253804600. Its totient is φ = 25971718752.

The previous prime is 30303120293. The next prime is 30303120329. The reversal of 30303120323 is 32302130303.

It is not a de Polignac number, because 30303120323 - 212 = 30303116227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30303120295 and 30303120304.

It is not an unprimeable number, because it can be changed into a prime (30303120329) 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 11 ways as a sum of consecutive naturals, for example, 699215 + ... + 741287.

It is an arithmetic number, because the mean of its divisors is an integer number (2937817050).

Almost surely, 230303120323 is an apocalyptic number.

30303120323 is a deficient number, since it is larger than the sum of its proper divisors (4950684277).

30303120323 is a wasteful number, since it uses less digits than its factorization.

30303120323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56786 (or 56779 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 30303120323 its reverse (32302130303), we get a palindrome (62605250626).

The spelling of 30303120323 in words is "thirty billion, three hundred three million, one hundred twenty thousand, three hundred twenty-three".

Divisors: 1 7 49 14699 42073 102893 294511 720251 2061577 618431027 4329017189 30303120323