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12243563143 = 712719371359
BaseRepresentation
bin10110110011100010…
…11111001010000111
31011121021102110011121
423121301133022013
5200033323010033
65342530014411
7612256366240
oct133161371207
934537373147
1012243563143
115213199229
122458417407
131201762426
148420ddcc7
154b9d3262d
hex2d9c5f287

12243563143 has 16 divisors (see below), whose sum is σ = 14176092160. Its totient is φ = 10357756416.

The previous prime is 12243563141. The next prime is 12243563173. The reversal of 12243563143 is 34136534221.

It is a happy number.

It is not a de Polignac number, because 12243563143 - 21 = 12243563141 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12243563099 and 12243563108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12243563141) 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 15 ways as a sum of consecutive naturals, for example, 135898 + ... + 207256.

It is an arithmetic number, because the mean of its divisors is an integer number (886005760).

Almost surely, 212243563143 is an apocalyptic number.

12243563143 is a deficient number, since it is larger than the sum of its proper divisors (1932529017).

12243563143 is a wasteful number, since it uses less digits than its factorization.

12243563143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71686.

The product of its digits is 51840, while the sum is 34.

The spelling of 12243563143 in words is "twelve billion, two hundred forty-three million, five hundred sixty-three thousand, one hundred forty-three".

Divisors: 1 7 127 193 889 1351 24511 71359 171577 499513 9062593 13772287 63438151 96406009 1749080449 12243563143