Base | Representation |
---|---|
bin | 111101000110… |
… | …001100000011 |
3 | 1010010201000001 |
4 | 331012030003 |
5 | 13100004011 |
6 | 1331140431 |
7 | 253064155 |
oct | 75061403 |
9 | 33121001 |
10 | 16016131 |
11 | 904a17a |
12 | 5444717 |
13 | 341a001 |
14 | 21acad5 |
15 | 16157c1 |
hex | f46303 |
16016131 has 4 divisors (see below), whose sum is σ = 16041312. Its totient is φ = 15990952.
The previous prime is 16016113. The next prime is 16016177. The reversal of 16016131 is 13161061.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13161061 = 83 ⋅158567.
It is a cyclic number.
It is not a de Polignac number, because 16016131 - 29 = 16015619 is a prime.
It is a super-2 number, since 2×160161312 = 513032904418322, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 16016099 and 16016108.
It is not an unprimeable number, because it can be changed into a prime (16016111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11611 + ... + 12916.
It is an arithmetic number, because the mean of its divisors is an integer number (4010328).
Almost surely, 216016131 is an apocalyptic number.
16016131 is a deficient number, since it is larger than the sum of its proper divisors (25181).
16016131 is an equidigital number, since it uses as much as digits as its factorization.
16016131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25180.
The product of its (nonzero) digits is 108, while the sum is 19.
The square root of 16016131 is about 4002.0158670350. The cubic root of 16016131 is about 252.0688639799.
Adding to 16016131 its reverse (13161061), we get a palindrome (29177192).
The spelling of 16016131 in words is "sixteen million, sixteen thousand, one hundred thirty-one".
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