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30320120211 = 3176187711113
BaseRepresentation
bin11100001111001110…
…000101000110010011
32220021001122200202020
4130033032011012103
5444043422321321
621532345222523
72122234524633
oct341716050623
986231580666
1030320120211
1111949a10097
125a62191a43
132b227b8c44
141678b786c3
15bc6cae4c6
hex70f385193

30320120211 has 32 divisors (see below), whose sum is σ = 43560122688. Its totient is φ = 18689495040.

The previous prime is 30320120209. The next prime is 30320120213. The reversal of 30320120211 is 11202102303.

It is an interprime number because it is at equal distance from previous prime (30320120209) and next prime (30320120213).

It is not a de Polignac number, because 30320120211 - 21 = 30320120209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30320120213) 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 in 31 ways as a sum of consecutive naturals, for example, 2722791 + ... + 2733903.

It is an arithmetic number, because the mean of its divisors is an integer number (1361253834).

Almost surely, 230320120211 is an apocalyptic number.

30320120211 is a deficient number, since it is larger than the sum of its proper divisors (13240002477).

30320120211 is a wasteful number, since it uses less digits than its factorization.

30320120211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12071.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 30320120211 its reverse (11202102303), we get a palindrome (41522222514).

The spelling of 30320120211 in words is "thirty billion, three hundred twenty million, one hundred twenty thousand, two hundred eleven".

Divisors: 1 3 17 51 61 183 877 1037 2631 3111 11113 14909 33339 44727 53497 160491 188921 566763 677893 909449 2033679 2728347 9746101 11524181 29238303 34572543 165683717 497051151 594512161 1783536483 10106706737 30320120211