Base | Representation |
---|---|
bin | 111101100001… |
… | …111111010101 |
3 | 1010100111012121 |
4 | 331201333111 |
5 | 13112130010 |
6 | 1333415541 |
7 | 254050153 |
oct | 75417725 |
9 | 33314177 |
10 | 16130005 |
11 | 9117791 |
12 | 549a5b1 |
13 | 3459aa8 |
14 | 21dc3d3 |
15 | 16393da |
hex | f61fd5 |
16130005 has 4 divisors (see below), whose sum is σ = 19356012. Its totient is φ = 12904000.
The previous prime is 16129963. The next prime is 16130021. The reversal of 16130005 is 50003161.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50003161 = 13 ⋅3846397.
It can be written as a sum of positive squares in 2 ways, for example, as 9622404 + 6507601 = 3102^2 + 2551^2 .
It is not a de Polignac number, because 16130005 - 217 = 15998933 is a prime.
It is a super-2 number, since 2×161300052 = 520354122600050, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612996 + ... + 1613005.
It is an arithmetic number, because the mean of its divisors is an integer number (4839003).
Almost surely, 216130005 is an apocalyptic number.
It is an amenable number.
16130005 is a deficient number, since it is larger than the sum of its proper divisors (3226007).
16130005 is an equidigital number, since it uses as much as digits as its factorization.
16130005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3226006.
The product of its (nonzero) digits is 90, while the sum is 16.
The square root of 16130005 is about 4016.2177480809. The cubic root of 16130005 is about 252.6648532980.
Adding to 16130005 its reverse (50003161), we get a palindrome (66133166).
The spelling of 16130005 in words is "sixteen million, one hundred thirty thousand, five".
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