Search a number
-
+
30320330203 = 109278168167
BaseRepresentation
bin11100001111001110…
…111000010111011011
32220021002001100210201
4130033032320113123
5444044001031303
621532353523031
72122236361102
oct341716702733
986232040721
1030320330203
111194a043939
125a62273477
132b228606b7
141678bd1039
15bc6d0181d
hex70f3b85db

30320330203 has 4 divisors (see below), whose sum is σ = 30598498480. Its totient is φ = 30042161928.

The previous prime is 30320330179. The next prime is 30320330219. The reversal of 30320330203 is 30203302303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30203302303 = 89393337871.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30320330203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320330233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139083975 + ... + 139084192.

It is an arithmetic number, because the mean of its divisors is an integer number (7649624620).

Almost surely, 230320330203 is an apocalyptic number.

30320330203 is a deficient number, since it is larger than the sum of its proper divisors (278168277).

30320330203 is a wasteful number, since it uses less digits than its factorization.

30320330203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278168276.

The product of its (nonzero) digits is 972, while the sum is 19.

Adding to 30320330203 its reverse (30203302303), we get a palindrome (60523632506).

The spelling of 30320330203 in words is "thirty billion, three hundred twenty million, three hundred thirty thousand, two hundred three".

Divisors: 1 109 278168167 30320330203