Search a number
-
+
12166105025241 = 327644117684089
BaseRepresentation
bin1011000100001010010001…
…0111100100101011011001
31121002001211202222200000100
42301002210113210223121
53043312140341301431
641513010445130013
72363654265306066
oct261024427445331
947061752880010
1012166105025241
113970686131872
121445a57b59909
136a334970817b
14300bb223dc6d
1516170583e4e6
hexb10a45e4ad9

12166105025241 has 12 divisors (see below), whose sum is σ = 17573493701140. Its totient is φ = 8110630120320.

The previous prime is 12166105025213. The next prime is 12166105025257. The reversal of 12166105025241 is 14252050166121.

12166105025241 is a `hidden beast` number, since 1 + 2 + 1 + 6 + 61 + 0 + 502 + 52 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 937645641 + 12165167379600 = 30621^2 + 3487860^2 .

It is not a de Polignac number, because 12166105025241 - 225 = 12166071470809 is a prime.

It is a super-2 number, since 2×121661050252412 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12166105025196 and 12166105025205.

It is not an unprimeable number, because it can be changed into a prime (12166105025201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8154076 + ... + 9530013.

Almost surely, 212166105025241 is an apocalyptic number.

It is an amenable number.

12166105025241 is a deficient number, since it is larger than the sum of its proper divisors (5407388675899).

12166105025241 is a wasteful number, since it uses less digits than its factorization.

12166105025241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17760536 (or 17760533 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The spelling of 12166105025241 in words is "twelve trillion, one hundred sixty-six billion, one hundred five million, twenty-five thousand, two hundred forty-one".

Divisors: 1 3 9 76441 229323 687969 17684089 53052267 159156801 1351789447249 4055368341747 12166105025241