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12134355545 = 513434341451
BaseRepresentation
bin10110100110100001…
…11001001001011001
31011022122221010111202
423103100321021121
5144322343334140
65324025203545
7606462214604
oct132320711131
934278833452
1012134355545
115167588a14
1224279305b5
1311b4c46950
148317d333b
154b045e915
hex2d3439259

12134355545 has 16 divisors (see below), whose sum is σ = 16046006592. Its totient is φ = 8752363200.

The previous prime is 12134355473. The next prime is 12134355547. The reversal of 12134355545 is 54555343121.

It is not a de Polignac number, because 12134355545 - 228 = 11865920089 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 12134355499 and 12134355508.

It is not an unprimeable number, because it can be changed into a prime (12134355547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2167931 + ... + 2173520.

It is an arithmetic number, because the mean of its divisors is an integer number (1002875412).

Almost surely, 212134355545 is an apocalyptic number.

It is an amenable number.

12134355545 is a deficient number, since it is larger than the sum of its proper divisors (3911651047).

12134355545 is a wasteful number, since it uses less digits than its factorization.

12134355545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341512.

The product of its digits is 180000, while the sum is 38.

Adding to 12134355545 its reverse (54555343121), we get a palindrome (66689698666).

The spelling of 12134355545 in words is "twelve billion, one hundred thirty-four million, three hundred fifty-five thousand, five hundred forty-five".

Divisors: 1 5 13 43 65 215 559 2795 4341451 21707255 56438863 186682393 282194315 933411965 2426871109 12134355545