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10105811 = 67150833
BaseRepresentation
bin100110100011…
…001111010011
3201000102120022
4212203033103
510041341221
61000334055
7151620002
oct46431723
921012508
1010105811
115782711
12347432b
13212aa91
1414b0c39
15d494ab
hex9a33d3

10105811 has 4 divisors (see below), whose sum is σ = 10256712. Its totient is φ = 9954912.

The previous prime is 10105801. The next prime is 10105819. The reversal of 10105811 is 11850101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11850101 = 37320273.

It is a cyclic number.

It is not a de Polignac number, because 10105811 - 26 = 10105747 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10105811.

It is not an unprimeable number, because it can be changed into a prime (10105819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75350 + ... + 75483.

It is an arithmetic number, because the mean of its divisors is an integer number (2564178).

Almost surely, 210105811 is an apocalyptic number.

10105811 is a deficient number, since it is larger than the sum of its proper divisors (150901).

10105811 is an equidigital number, since it uses as much as digits as its factorization.

10105811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150900.

The product of its (nonzero) digits is 40, while the sum is 17.

The square root of 10105811 is about 3178.9638248964. The cubic root of 10105811 is about 216.2006808352.

Adding to 10105811 its reverse (11850101), we get a palindrome (21955912).

The spelling of 10105811 in words is "ten million, one hundred five thousand, eight hundred eleven".

Divisors: 1 67 150833 10105811