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11271149227 = 1325126912841
BaseRepresentation
bin10100111111101000…
…00001011010101011
31002002111122201001101
422133310001122223
5141040403233402
65102231502231
7546211121242
oct123764013253
932074581041
1011271149227
1148642a7268
122226827977
1310a8163590
1478ccd3959
1545e79eb87
hex29fd016ab

11271149227 has 16 divisors (see below), whose sum is σ = 12232775520. Its totient is φ = 10323360000.

The previous prime is 11271149213. The next prime is 11271149231. The reversal of 11271149227 is 72294117211.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11271149227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11271149297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 871327 + ... + 884167.

It is an arithmetic number, because the mean of its divisors is an integer number (764548470).

Almost surely, 211271149227 is an apocalyptic number.

11271149227 is a deficient number, since it is larger than the sum of its proper divisors (961626293).

11271149227 is a wasteful number, since it uses less digits than its factorization.

11271149227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374.

The product of its digits is 14112, while the sum is 37.

The spelling of 11271149227 in words is "eleven billion, two hundred seventy-one million, one hundred forty-nine thousand, two hundred twenty-seven".

Divisors: 1 13 251 269 3263 3497 12841 67519 166933 877747 3223091 3454229 41900183 44904977 867011479 11271149227