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12543062043 = 317245942393
BaseRepresentation
bin10111010111001111…
…11111000000011011
31012101010222120102110
423223213333000123
5201142010441133
65432345203403
7622554161001
oct135347770033
935333876373
1012543062043
115357260186
122520790563
13124b816105
1486dbc2a71
154d6292c63
hex2eb9ff01b

12543062043 has 8 divisors (see below), whose sum is σ = 17707852368. Its totient is φ = 7870156544.

The previous prime is 12543062041. The next prime is 12543062057. The reversal of 12543062043 is 34026034521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12543062043 - 21 = 12543062041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12543062043.

It is not an unprimeable number, because it can be changed into a prime (12543062041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122971146 + ... + 122971247.

It is an arithmetic number, because the mean of its divisors is an integer number (2213481546).

Almost surely, 212543062043 is an apocalyptic number.

12543062043 is a deficient number, since it is larger than the sum of its proper divisors (5164790325).

12543062043 is a wasteful number, since it uses less digits than its factorization.

12543062043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245942413.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 12543062043 its reverse (34026034521), we get a palindrome (46569096564).

The spelling of 12543062043 in words is "twelve billion, five hundred forty-three million, sixty-two thousand, forty-three".

Divisors: 1 3 17 51 245942393 737827179 4181020681 12543062043