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12175343240105 = 537331649206273
BaseRepresentation
bin1011000100101100101100…
…0000100100001110101001
31121002221200121022121101102
42301023023000210032221
53043440100332140410
641521135300131145
72364432232656113
oct261131300441651
947087617277342
1012175343240105
113974596937391
1214477b5996ab5
136a418c6328b6
1430140b1443b3
15161a968c32a5
hexb12cb0243a9

12175343240105 has 16 divisors (see below), whose sum is σ = 14650115792400. Its totient is φ = 9713807228928.

The previous prime is 12175343240089. The next prime is 12175343240119. The reversal of 12175343240105 is 50104234357121.

It can be written as a sum of positive squares in 8 ways, for example, as 200331437056 + 11975011803049 = 447584^2 + 3460493^2 .

It is a cyclic number.

It is not a de Polignac number, because 12175343240105 - 24 = 12175343240089 is a prime.

It is a super-2 number, since 2×121753432401052 (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58922249 + ... + 59128521.

It is an arithmetic number, because the mean of its divisors is an integer number (915632237025).

Almost surely, 212175343240105 is an apocalyptic number.

It is an amenable number.

12175343240105 is a deficient number, since it is larger than the sum of its proper divisors (2474772552295).

12175343240105 is a wasteful number, since it uses less digits than its factorization.

12175343240105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238300.

The product of its (nonzero) digits is 100800, while the sum is 38.

Adding to 12175343240105 its reverse (50104234357121), we get a palindrome (62279577597226).

The spelling of 12175343240105 in words is "twelve trillion, one hundred seventy-five billion, three hundred forty-three million, two hundred forty thousand, one hundred five".

Divisors: 1 5 373 1865 31649 158245 206273 1031365 11805077 59025385 76939829 384699145 6528334177 32641670885 2435068648021 12175343240105