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2181130192703 = 71141690886979
BaseRepresentation
bin11111101111010101011…
…111011000011100111111
321201111212201021000010202
4133233111133120130333
5241213423312131303
64345555233354115
7313403303511440
oct37572537303477
97644781230122
102181130192703
1177101514a520
122b287410893b
1312a8ab39b1a7
14777d28072c7
153bb09a32c88
hex1fbd57d873f

2181130192703 has 16 divisors (see below), whose sum is σ = 2785656303360. Its totient is φ = 1658128747200.

The previous prime is 2181130192699. The next prime is 2181130192711. The reversal of 2181130192703 is 3072910311812.

It is a cyclic number.

It is not a de Polignac number, because 2181130192703 - 22 = 2181130192699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2181130192723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345440333 + ... + 345446646.

It is an arithmetic number, because the mean of its divisors is an integer number (174103518960).

Almost surely, 22181130192703 is an apocalyptic number.

2181130192703 is a deficient number, since it is larger than the sum of its proper divisors (604526110657).

2181130192703 is a wasteful number, since it uses less digits than its factorization.

2181130192703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690887038.

The product of its (nonzero) digits is 18144, while the sum is 38.

The spelling of 2181130192703 in words is "two trillion, one hundred eighty-one billion, one hundred thirty million, one hundred ninety-two thousand, seven hundred three".

Divisors: 1 7 11 41 77 287 451 3157 690886979 4836208853 7599756769 28326366139 53198297383 198284562973 311590027529 2181130192703