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11481713385 = 351773616799
BaseRepresentation
bin10101011000101110…
…10000101011101001
31002122011212110202220
422230113100223221
5142003304312020
65135152544253
7554345645022
oct125427205351
932564773686
1011481713385
11496214522a
122285252089
13110c97915c
147acc65c49
15472ee4240
hex2ac5d0ae9

11481713385 has 32 divisors (see below), whose sum is σ = 19717862400. Its totient is φ = 5684410368.

The previous prime is 11481713339. The next prime is 11481713389. The reversal of 11481713385 is 58331718411.

11481713385 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11481713385 - 211 = 11481711337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11481713389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289785 + ... + 327014.

It is an arithmetic number, because the mean of its divisors is an integer number (616183200).

Almost surely, 211481713385 is an apocalyptic number.

11481713385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11481713385 is a deficient number, since it is larger than the sum of its proper divisors (8236149015).

11481713385 is a wasteful number, since it uses less digits than its factorization.

11481713385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616897.

The product of its digits is 80640, while the sum is 42.

The spelling of 11481713385 in words is "eleven billion, four hundred eighty-one million, seven hundred thirteen thousand, three hundred eighty-five".

Divisors: 1 3 5 15 17 51 73 85 219 255 365 1095 1241 3723 6205 18615 616799 1850397 3083995 9251985 10485583 31456749 45026327 52427915 135078981 157283745 225131635 675394905 765447559 2296342677 3827237795 11481713385