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12011241311 = 163281262237
BaseRepresentation
bin10110010111110110…
…01111111101011111
31011000002021021112022
423023323033331133
5144044334210221
65303510330355
7603435603146
oct131373177537
934002237468
1012011241311
11510403a413
1223b26599bb
13119559c3a4
1481d30675d
154a47414ab
hex2cbecff5f

12011241311 has 8 divisors (see below), whose sum is σ = 12127983024. Its totient is φ = 11895024960.

The previous prime is 12011241259. The next prime is 12011241329. The reversal of 12011241311 is 11314211021.

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 12011241311 - 26 = 12011241247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12011241311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011241371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85316 + ... + 176921.

It is an arithmetic number, because the mean of its divisors is an integer number (1515997878).

Almost surely, 212011241311 is an apocalyptic number.

12011241311 is a deficient number, since it is larger than the sum of its proper divisors (116741713).

12011241311 is a wasteful number, since it uses less digits than its factorization.

12011241311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262681.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 12011241311 its reverse (11314211021), we get a palindrome (23325452332).

The spelling of 12011241311 in words is "twelve billion, eleven million, two hundred forty-one thousand, three hundred eleven".

Divisors: 1 163 281 45803 262237 42744631 73688597 12011241311