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11281271068 = 224760006761
BaseRepresentation
bin10101000000110101…
…01000100100011100
31002010012200221121101
422200122220210130
5141101001133233
65103232442444
7546363136054
oct124032504434
932105627541
1011281271068
114869a8aa21
12222a0a9424
1310aa298732
147903aa564
154605edc7d
hex2a06a891c

11281271068 has 12 divisors (see below), whose sum is σ = 20162272032. Its totient is φ = 5520621920.

The previous prime is 11281271059. The next prime is 11281271117. The reversal of 11281271068 is 86017218211.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30003193 + ... + 30003568.

It is an arithmetic number, because the mean of its divisors is an integer number (1680189336).

Almost surely, 211281271068 is an apocalyptic number.

It is an amenable number.

11281271068 is a deficient number, since it is larger than the sum of its proper divisors (8881000964).

11281271068 is a wasteful number, since it uses less digits than its factorization.

11281271068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60006812 (or 60006810 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 37.

Adding to 11281271068 its reverse (86017218211), we get a palindrome (97298489279).

The spelling of 11281271068 in words is "eleven billion, two hundred eighty-one million, two hundred seventy-one thousand, sixty-eight".

Divisors: 1 2 4 47 94 188 60006761 120013522 240027044 2820317767 5640635534 11281271068