Base | Representation |
---|---|
bin | 11011111110000000… |
… | …010101001010001111 |
3 | 2212111221012021110000 |
4 | 123332000111022033 |
5 | 443001003201221 |
6 | 21443551015343 |
7 | 2112126603102 |
oct | 337600251217 |
9 | 85457167400 |
10 | 30031303311 |
11 | 11810984739 |
12 | 59a150a553 |
13 | 2aa7a05379 |
14 | 164c676739 |
15 | bab75de26 |
hex | 6fe01528f |
30031303311 has 20 divisors (see below), whose sum is σ = 44938072872. Its totient is φ = 19986730128.
The previous prime is 30031303277. The next prime is 30031303321. The reversal of 30031303311 is 11330313003.
30031303311 is a `hidden beast` number, since 300 + 3 + 1 + 30 + 331 + 1 = 666.
It is not a de Polignac number, because 30031303311 - 221 = 30029206159 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031303321) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 268260 + ... + 363353.
Almost surely, 230031303311 is an apocalyptic number.
30031303311 is a deficient number, since it is larger than the sum of its proper divisors (14906769561).
30031303311 is an equidigital number, since it uses as much as digits as its factorization.
30031303311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 632212 (or 632203 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 30031303311 its reverse (11330313003), we get a palindrome (41361616314).
The spelling of 30031303311 in words is "thirty billion, thirty-one million, three hundred three thousand, three hundred eleven".
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