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11712278748 = 2231317450559
BaseRepresentation
bin10101110100001101…
…10011000011011100
31010020020201101222210
422322012303003130
5142441320404443
65214110440420
7563145504162
oct127206630334
933206641883
1011712278748
114a70304415
12232a503110
131148675871
147d1723232
15488389c33
hex2ba1b30dc

11712278748 has 24 divisors (see below), whose sum is σ = 27537269760. Its totient is φ = 3874290160.

The previous prime is 11712278729. The next prime is 11712278779. The reversal of 11712278748 is 84787221711.

It is a happy number.

11712278748 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11712278697 and 11712278706.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3723708 + ... + 3726851.

It is an arithmetic number, because the mean of its divisors is an integer number (1147386240).

Almost surely, 211712278748 is an apocalyptic number.

It is an amenable number.

11712278748 is an abundant number, since it is smaller than the sum of its proper divisors (15824991012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11712278748 is a wasteful number, since it uses less digits than its factorization.

11712278748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7450697 (or 7450695 counting only the distinct ones).

The product of its digits is 351232, while the sum is 48.

The spelling of 11712278748 in words is "eleven billion, seven hundred twelve million, two hundred seventy-eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 131 262 393 524 786 1572 7450559 14901118 22351677 29802236 44703354 89406708 976023229 1952046458 2928069687 3904092916 5856139374 11712278748