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12234445667889 = 323289761204973
BaseRepresentation
bin1011001000001000110111…
…0010011011111000110001
31121022121020112222000112020
42302002031302123320301
53100422121042333024
642004232102222053
72401623653216154
oct262021562337061
947277215860466
1012234445667889
1139976656a0125
12145714b124929
136a991b136463
1430421670dc9b
151633a5428979
hexb208dc9be31

12234445667889 has 16 divisors (see below), whose sum is σ = 17027713406592. Its totient is φ = 7798982352128.

The previous prime is 12234445667879. The next prime is 12234445667897. The reversal of 12234445667889 is 98876654443221.

It is a cyclic number.

It is not a de Polignac number, because 12234445667889 - 29 = 12234445667377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12234445667869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30402594 + ... + 30802379.

It is an arithmetic number, because the mean of its divisors is an integer number (1064232087912).

Almost surely, 212234445667889 is an apocalyptic number.

It is an amenable number.

12234445667889 is a deficient number, since it is larger than the sum of its proper divisors (4793267738703).

12234445667889 is a wasteful number, since it uses less digits than its factorization.

12234445667889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61207896.

The product of its digits is 557383680, while the sum is 69.

The spelling of 12234445667889 in words is "twelve trillion, two hundred thirty-four billion, four hundred forty-five million, six hundred sixty-seven thousand, eight hundred eighty-nine".

Divisors: 1 3 23 69 2897 8691 66631 199893 61204973 183614919 1407714379 4223143137 177310806781 531932420343 4078148555963 12234445667889