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55045113003121 = 1721182918511127
BaseRepresentation
bin11001000010000001100000…
…11010000011110001110001
321012220021001120100101202111
430201000300122003301301
524203324342412044441
6313023213102045321
714410610133401563
oct1441006032036161
9235807046311674
1055045113003121
11165a25572a35aa
126210140b79841
132493968c42617
14d842aa637333
15656cb2b92081
hex321030683c71

55045113003121 has 16 divisors (see below), whose sum is σ = 58629925491840. Its totient is φ = 51499433422080.

The previous prime is 55045113003119. The next prime is 55045113003311. The reversal of 55045113003121 is 12130031154055.

It is a cyclic number.

It is not a de Polignac number, because 55045113003121 - 21 = 55045113003119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55045113003821) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 6281941 + ... + 12229186.

It is an arithmetic number, because the mean of its divisors is an integer number (3664370343240).

Almost surely, 255045113003121 is an apocalyptic number.

It is an amenable number.

55045113003121 is a deficient number, since it is larger than the sum of its proper divisors (3584812488719).

55045113003121 is a wasteful number, since it uses less digits than its factorization.

55045113003121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18512184.

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 55045113003121 its reverse (12130031154055), we get a palindrome (67175144157176).

The spelling of 55045113003121 in words is "fifty-five trillion, forty-five billion, one hundred thirteen million, three thousand, one hundred twenty-one".

Divisors: 1 17 211 829 3587 14093 174919 2973623 18511127 314689159 3905847797 15345724283 66399412549 260877312811 3237947823713 55045113003121