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1105130305 = 51713001533
BaseRepresentation
bin100000111011110…
…1111001101000001
32212000111102210001
41001313233031001
54230403132210
6301354440001
736246311146
oct10167571501
92760442701
101105130305
115178a9834
1226a133001
13147c58b76
14a6ab63cd
156704b03a
hex41def341

1105130305 has 8 divisors (see below), whose sum is σ = 1404165672. Its totient is φ = 832098048.

The previous prime is 1105130297. The next prime is 1105130321. The reversal of 1105130305 is 5030315011.

It can be written as a sum of positive squares in 4 ways, for example, as 137733696 + 967396609 = 11736^2 + 31103^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1105130305 - 23 = 1105130297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6500682 + ... + 6500851.

It is an arithmetic number, because the mean of its divisors is an integer number (175520709).

Almost surely, 21105130305 is an apocalyptic number.

It is an amenable number.

1105130305 is a deficient number, since it is larger than the sum of its proper divisors (299035367).

1105130305 is a wasteful number, since it uses less digits than its factorization.

1105130305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13001555.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 1105130305 is about 33243.5001917668. The cubic root of 1105130305 is about 1033.8824487531.

Adding to 1105130305 its reverse (5030315011), we get a palindrome (6135445316).

The spelling of 1105130305 in words is "one billion, one hundred five million, one hundred thirty thousand, three hundred five".

Divisors: 1 5 17 85 13001533 65007665 221026061 1105130305