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12228711662 = 244950327073
BaseRepresentation
bin10110110001110001…
…10101010011101110
31011120020110220202202
423120320311103232
5200021022233122
65341235421502
7612016222406
oct133070652356
934506426682
1012228711662
115205875082
122453454892
1311cb66257b
14840155806
154b889be92
hex2d8e354ee

12228711662 has 16 divisors (see below), whose sum is σ = 18421149600. Its totient is φ = 6088384512.

The previous prime is 12228711647. The next prime is 12228711667. The reversal of 12228711662 is 26611782221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228711667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438158 + ... + 465230.

It is an arithmetic number, because the mean of its divisors is an integer number (1151321850).

Almost surely, 212228711662 is an apocalyptic number.

12228711662 is a deficient number, since it is larger than the sum of its proper divisors (6192437938).

12228711662 is a wasteful number, since it uses less digits than its factorization.

12228711662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28027.

The product of its digits is 32256, while the sum is 38.

The spelling of 12228711662 in words is "twelve billion, two hundred twenty-eight million, seven hundred eleven thousand, six hundred sixty-two".

Divisors: 1 2 449 503 898 1006 27073 54146 225847 451694 12155777 13617719 24311554 27235438 6114355831 12228711662