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12227353748 = 2223132906019
BaseRepresentation
bin10110110001100111…
…01001110010010100
31011120010220221001122
423120303221302110
5200020200304443
65341150343112
7612001535441
oct133063516224
934503827048
1012227353748
115205027935
122452abaa98
1311cb2a847c
1483dcc09c8
154b86ce968
hex2d8ce9c94

12227353748 has 12 divisors (see below), whose sum is σ = 22328211360. Its totient is φ = 5847864792.

The previous prime is 12227353741. The next prime is 12227353763. The reversal of 12227353748 is 84735372221.

12227353748 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 = 12227353699 and 12227353708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12227353741) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 66452918 + ... + 66453101.

It is an arithmetic number, because the mean of its divisors is an integer number (1860684280).

Almost surely, 212227353748 is an apocalyptic number.

It is an amenable number.

12227353748 is a deficient number, since it is larger than the sum of its proper divisors (10100857612).

12227353748 is a wasteful number, since it uses less digits than its factorization.

12227353748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132906046 (or 132906044 counting only the distinct ones).

The product of its digits is 564480, while the sum is 44.

The spelling of 12227353748 in words is "twelve billion, two hundred twenty-seven million, three hundred fifty-three thousand, seven hundred forty-eight".

Divisors: 1 2 4 23 46 92 132906019 265812038 531624076 3056838437 6113676874 12227353748