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12543283848 = 233522636827
BaseRepresentation
bin10111010111010001…
…10101001010001000
31012101011101211200110
423223220311022020
5201142040040343
65432354034320
7622556103444
oct135350651210
935334354613
1012543283848
1153573a1897
1225208789a0
13124b893064
1486dc3d824
154d62d8833
hex2eba35288

12543283848 has 16 divisors (see below), whose sum is σ = 31358209680. Its totient is φ = 4181094608.

The previous prime is 12543283847. The next prime is 12543283853. The reversal of 12543283848 is 84838234521.

It is a junction number, because it is equal to n+sod(n) for n = 12543283797 and 12543283806.

It is not an unprimeable number, because it can be changed into a prime (12543283847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261318390 + ... + 261318437.

It is an arithmetic number, because the mean of its divisors is an integer number (1959888105).

Almost surely, 212543283848 is an apocalyptic number.

It is an amenable number.

12543283848 is an abundant number, since it is smaller than the sum of its proper divisors (18814925832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12543283848 is a wasteful number, since it uses less digits than its factorization.

12543283848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522636836 (or 522636832 counting only the distinct ones).

The product of its digits is 1474560, while the sum is 48.

The spelling of 12543283848 in words is "twelve billion, five hundred forty-three million, two hundred eighty-three thousand, eight hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 24 522636827 1045273654 1567910481 2090547308 3135820962 4181094616 6271641924 12543283848