Base | Representation |
---|---|
bin | 11100000010111000… |
… | …011100011101010011 |
3 | 2212201122011002202200 |
4 | 130002320130131103 |
5 | 443132424402011 |
6 | 21500032414243 |
7 | 2114142212661 |
oct | 340270343523 |
9 | 85648132680 |
10 | 30113122131 |
11 | 118530883a4 |
12 | 5a049a7383 |
13 | 2abb951581 |
14 | 1659493c31 |
15 | bb3a21856 |
hex | 702e1c753 |
30113122131 has 6 divisors (see below), whose sum is σ = 43496731980. Its totient is φ = 20075414748.
The previous prime is 30113122129. The next prime is 30113122141. The reversal of 30113122131 is 13122131103.
30113122131 is a `hidden beast` number, since 301 + 1 + 312 + 21 + 31 = 666.
It is not a de Polignac number, because 30113122131 - 21 = 30113122129 is a prime.
It is a super-2 number, since 2×301131221312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30113122141) 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 5 ways as a sum of consecutive naturals, for example, 1672951221 + ... + 1672951238.
It is an arithmetic number, because the mean of its divisors is an integer number (7249455330).
Almost surely, 230113122131 is an apocalyptic number.
30113122131 is a deficient number, since it is larger than the sum of its proper divisors (13383609849).
30113122131 is a wasteful number, since it uses less digits than its factorization.
30113122131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3345902465 (or 3345902462 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 30113122131 its reverse (13122131103), we get a palindrome (43235253234).
The spelling of 30113122131 in words is "thirty billion, one hundred thirteen million, one hundred twenty-two thousand, one hundred thirty-one".
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