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11317830281 = 4113119910589
BaseRepresentation
bin10101000101001100…
…00110001010001001
31002012202111100102022
422202212012022021
5141134331032111
65111020214225
7550315653512
oct124246061211
932182440368
1011317830281
11488869044a
12223a39a375
1310b4a290c4
147951a5a09
154639212db
hex2a2986289

11317830281 has 16 divisors (see below), whose sum is σ = 11742192000. Its totient is φ = 10901404800.

The previous prime is 11317830259. The next prime is 11317830323. The reversal of 11317830281 is 18203871311.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11317830281 - 26 = 11317830217 is a prime.

It is a super-2 number, since 2×113178302812 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11317833281) 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 15 ways as a sum of consecutive naturals, for example, 1063535 + ... + 1074123.

It is an arithmetic number, because the mean of its divisors is an integer number (733887000).

Almost surely, 211317830281 is an apocalyptic number.

It is an amenable number.

11317830281 is a deficient number, since it is larger than the sum of its proper divisors (424361719).

11317830281 is a wasteful number, since it uses less digits than its factorization.

11317830281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10960.

The product of its (nonzero) digits is 8064, while the sum is 35.

The spelling of 11317830281 in words is "eleven billion, three hundred seventeen million, eight hundred thirty thousand, two hundred eighty-one".

Divisors: 1 41 131 199 5371 8159 10589 26069 434149 1068829 1387159 2107211 56873519 86395651 276044641 11317830281