Base | Representation |
---|---|
bin | 111001010000… |
… | …0001010000011 |
3 | 2002110222101120 |
4 | 1302200022003 |
5 | 30141004011 |
6 | 2551203323 |
7 | 513063405 |
oct | 162401203 |
9 | 62428346 |
10 | 30016131 |
11 | 15a41622 |
12 | a076543 |
13 | 62ac432 |
14 | 3db4b75 |
15 | 297da06 |
hex | 1ca0283 |
30016131 has 12 divisors (see below), whose sum is σ = 41452632. Its totient is φ = 19319104.
The previous prime is 30016121. The next prime is 30016159. The reversal of 30016131 is 13161003.
It is not a de Polignac number, because 30016131 - 29 = 30015619 is a prime.
It is a super-2 number, since 2×300161312 = 1801936240418322, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30016131.
It is not an unprimeable number, because it can be changed into a prime (30016111) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3426 + ... + 8471.
It is an arithmetic number, because the mean of its divisors is an integer number (3454386).
Almost surely, 230016131 is an apocalyptic number.
30016131 is a deficient number, since it is larger than the sum of its proper divisors (11436501).
30016131 is a wasteful number, since it uses less digits than its factorization.
30016131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11958 (or 11929 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 30016131 is about 5478.6979292529. The cubic root of 30016131 is about 310.7789325805.
Adding to 30016131 its reverse (13161003), we get a palindrome (43177134).
The spelling of 30016131 in words is "thirty million, sixteen thousand, one hundred thirty-one".
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