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11330905805 = 512329183809
BaseRepresentation
bin10101000110101111…
…11110011011001101
31002020200002122122222
422203113332123031
5141201202441210
65112204345125
7550535052542
oct124327763315
932220078588
1011330905805
11489500126a
1222428451a5
1310b76567bb
14796c0abc9
15464b55655
hex2a35fe6cd

11330905805 has 8 divisors (see below), whose sum is σ = 13598263800. Its totient is φ = 9063940096.

The previous prime is 11330905787. The next prime is 11330905811. The reversal of 11330905805 is 50850903311.

It can be written as a sum of positive squares in 4 ways, for example, as 880546276 + 10450359529 = 29674^2 + 102227^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11330905805 - 26 = 11330905741 is a prime.

It is a congruent 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, 30260 + ... + 153549.

It is an arithmetic number, because the mean of its divisors is an integer number (1699782975).

Almost surely, 211330905805 is an apocalyptic number.

It is an amenable number.

11330905805 is a deficient number, since it is larger than the sum of its proper divisors (2267357995).

11330905805 is a wasteful number, since it uses less digits than its factorization.

11330905805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196143.

The product of its (nonzero) digits is 16200, while the sum is 35.

The spelling of 11330905805 in words is "eleven billion, three hundred thirty million, nine hundred five thousand, eight hundred five".

Divisors: 1 5 12329 61645 183809 919045 2266181161 11330905805