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12268666893 = 3725310914447
BaseRepresentation
bin10110110110100010…
…10000000000001101
31011200000122212001010
423123101100000031
5200111234320033
65345224035433
7613012643100
oct133321200015
934600585033
1012268666893
11522638502a
122464902b79
131206a11912
14845596737
154bc140863
hex2db45000d

12268666893 has 48 divisors (see below), whose sum is σ = 19567215360. Its totient is φ = 6814813824.

The previous prime is 12268666889. The next prime is 12268666931. The reversal of 12268666893 is 39866686221.

It is not a de Polignac number, because 12268666893 - 22 = 12268666889 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12268666093) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 841996 + ... + 856442.

It is an arithmetic number, because the mean of its divisors is an integer number (407650320).

Almost surely, 212268666893 is an apocalyptic number.

It is an amenable number.

12268666893 is a deficient number, since it is larger than the sum of its proper divisors (7298548467).

12268666893 is a wasteful number, since it uses less digits than its factorization.

12268666893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14626 (or 14619 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 57.

The spelling of 12268666893 in words is "twelve billion, two hundred sixty-eight million, six hundred sixty-six thousand, eight hundred ninety-three".

Divisors: 1 3 7 21 49 53 109 147 159 327 371 763 1113 2289 2597 5341 5777 7791 14447 16023 17331 40439 43341 101129 121317 283073 303387 707903 765691 849219 1574723 2123709 2297073 4724169 5359837 11023061 16079511 33069183 37518859 77161427 83460319 112556577 231484281 250380957 584222233 1752666699 4089555631 12268666893