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16130005 = 53226001
BaseRepresentation
bin111101100001…
…111111010101
31010100111012121
4331201333111
513112130010
61333415541
7254050153
oct75417725
933314177
1016130005
119117791
12549a5b1
133459aa8
1421dc3d3
1516393da
hexf61fd5

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 = 133846397.

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".

Divisors: 1 5 3226001 16130005