Base | Representation |
---|---|
bin | 11100001000101111… |
… | …000101000100000111 |
3 | 2212222110221121001200 |
4 | 130020233011010013 |
5 | 443333100032221 |
6 | 21513501353543 |
7 | 2116444033131 |
oct | 341057050407 |
9 | 85873847050 |
10 | 30211330311 |
11 | 118a3565688 |
12 | 5a318688b3 |
13 | 2b060b8616 |
14 | 166853a051 |
15 | bbc470426 |
hex | 708bc5107 |
30211330311 has 24 divisors (see below), whose sum is σ = 44812509456. Its totient is φ = 19602414720.
The previous prime is 30211330307. The next prime is 30211330321. The reversal of 30211330311 is 11303311203.
It is a happy number.
30211330311 is a `hidden beast` number, since 3 + 0 + 21 + 1 + 330 + 311 = 666.
It is not a de Polignac number, because 30211330311 - 22 = 30211330307 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30211330301) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30160 + ... + 247653.
It is an arithmetic number, because the mean of its divisors is an integer number (1867187894).
Almost surely, 230211330311 is an apocalyptic number.
30211330311 is a deficient number, since it is larger than the sum of its proper divisors (14601179145).
30211330311 is a wasteful number, since it uses less digits than its factorization.
30211330311 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 278143 (or 278140 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 18.
Adding to 30211330311 its reverse (11303311203), we get a palindrome (41514641514).
The spelling of 30211330311 in words is "thirty billion, two hundred eleven million, three hundred thirty thousand, three hundred eleven".
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