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10080109 = 13775393
BaseRepresentation
bin100110011100…
…111101101101
3200222010022101
4212130331231
510040030414
61000015101
7151452034
oct46347555
920863271
1010080109
115765376
123461491
13211c180
1414a571b
15d41a74
hex99cf6d

10080109 has 4 divisors (see below), whose sum is σ = 10855516. Its totient is φ = 9304704.

The previous prime is 10080107. The next prime is 10080113. The reversal of 10080109 is 90108001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 90108001 = 139648259.

It can be written as a sum of positive squares in 2 ways, for example, as 2490084 + 7590025 = 1578^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 10080109 - 21 = 10080107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10080107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387684 + ... + 387709.

It is an arithmetic number, because the mean of its divisors is an integer number (2713879).

Almost surely, 210080109 is an apocalyptic number.

It is an amenable number.

10080109 is a deficient number, since it is larger than the sum of its proper divisors (775407).

10080109 is an equidigital number, since it uses as much as digits as its factorization.

10080109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775406.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 10080109 is about 3174.9187391176. The cubic root of 10080109 is about 216.0172382790.

The spelling of 10080109 in words is "ten million, eighty thousand, one hundred nine".

Divisors: 1 13 775393 10080109