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12543051124 = 2220831505407
BaseRepresentation
bin10111010111001111…
…11100010101110100
31012101010222000110001
423223213330111310
5201142010113444
65432345041044
7622554114112
oct135347742564
935333860401
1012543051124
115357252a5a
122520786184
13124b811156
1486dbbcab2
154d628e8d4
hex2eb9fc574

12543051124 has 12 divisors (see below), whose sum is σ = 21960891904. Its totient is φ = 6268510584.

The previous prime is 12543051119. The next prime is 12543051149. The reversal of 12543051124 is 42115034521.

It is a junction number, because it is equal to n+sod(n) for n = 12543051092 and 12543051101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 744372 + ... + 761035.

Almost surely, 212543051124 is an apocalyptic number.

It is an amenable number.

12543051124 is a deficient number, since it is larger than the sum of its proper divisors (9417840780).

12543051124 is a wasteful number, since it uses less digits than its factorization.

12543051124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1507494 (or 1507492 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 12543051124 its reverse (42115034521), we get a palindrome (54658085645).

The spelling of 12543051124 in words is "twelve billion, five hundred forty-three million, fifty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 2083 4166 8332 1505407 3010814 6021628 3135762781 6271525562 12543051124