Base | Representation |
---|---|
bin | 11100010101001011… |
… | …100001001110110111 |
3 | 2220112000210211010100 |
4 | 130111023201032313 |
5 | 444300022043221 |
6 | 21550320325143 |
7 | 2124560455041 |
oct | 342513411667 |
9 | 86460724110 |
10 | 30420112311 |
11 | 119a03a6696 |
12 | 5a8b7737b3 |
13 | 2b3a428c74 |
14 | 1688166a91 |
15 | bd0961926 |
hex | 7152e13b7 |
30420112311 has 12 divisors (see below), whose sum is σ = 43941954888. Its totient is φ = 20279247504.
The previous prime is 30420112277. The next prime is 30420112313. The reversal of 30420112311 is 11321102403.
30420112311 is a `hidden beast` number, since 3 + 0 + 420 + 11 + 231 + 1 = 666.
It is not a de Polignac number, because 30420112311 - 222 = 30415918007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30420112313) 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, 233941 + ... + 339953.
It is an arithmetic number, because the mean of its divisors is an integer number (3661829574).
Almost surely, 230420112311 is an apocalyptic number.
30420112311 is a deficient number, since it is larger than the sum of its proper divisors (13521842577).
30420112311 is a wasteful number, since it uses less digits than its factorization.
30420112311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137902 (or 137899 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 30420112311 its reverse (11321102403), we get a palindrome (41741214714).
The spelling of 30420112311 in words is "thirty billion, four hundred twenty million, one hundred twelve thousand, three hundred eleven".
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