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12547424435 = 571322121289
BaseRepresentation
bin10111010111110001…
…01000000010110011
31012101110012012111112
423223320220002303
5201144120040220
65433022503535
7622636230230
oct135370500263
935343165445
1012547424435
11535976a767
122522134bab
13124c6b2900
148705da787
154d68555c5
hex2ebe280b3

12547424435 has 24 divisors (see below), whose sum is σ = 18633411360. Its totient is φ = 7942102272.

The previous prime is 12547424429. The next prime is 12547424441. The reversal of 12547424435 is 53442474521.

12547424435 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12547424429) and next prime (12547424441).

It is not a de Polignac number, because 12547424435 - 220 = 12546375859 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12547424392 and 12547424401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1054730 + ... + 1066559.

It is an arithmetic number, because the mean of its divisors is an integer number (776392140).

Almost surely, 212547424435 is an apocalyptic number.

12547424435 is a deficient number, since it is larger than the sum of its proper divisors (6085986925).

12547424435 is a wasteful number, since it uses less digits than its factorization.

12547424435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2121327 (or 2121314 counting only the distinct ones).

The product of its digits is 537600, while the sum is 41.

Adding to 12547424435 its reverse (53442474521), we get a palindrome (65989898956).

The spelling of 12547424435 in words is "twelve billion, five hundred forty-seven million, four hundred twenty-four thousand, four hundred thirty-five".

Divisors: 1 5 7 13 35 65 91 169 455 845 1183 5915 2121289 10606445 14849023 27576757 74245115 137883785 193037299 358497841 965186495 1792489205 2509484887 12547424435