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1983412706191 = 71972092168749
BaseRepresentation
bin11100110111001100100…
…111000001101110001111
321000121112102221000111221
4130313030213001232033
5224444012123044231
64115100041424211
7263203546555630
oct34671447015617
97017472830457
101983412706191
116a5184846504
12280494a9b067
1311505bc10b17
146bdd7921887
15368d6b78d11
hex1cdcc9c1b8f

1983412706191 has 16 divisors (see below), whose sum is σ = 2278405800000. Its totient is φ = 1691332796160.

The previous prime is 1983412706159. The next prime is 1983412706201. The reversal of 1983412706191 is 1916072143891.

It is not a de Polignac number, because 1983412706191 - 25 = 1983412706159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1983412706791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28815685 + ... + 28884433.

It is an arithmetic number, because the mean of its divisors is an integer number (142400362500).

Almost surely, 21983412706191 is an apocalyptic number.

1983412706191 is a deficient number, since it is larger than the sum of its proper divisors (294993093809).

1983412706191 is a wasteful number, since it uses less digits than its factorization.

1983412706191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89874.

The product of its (nonzero) digits is 653184, while the sum is 52.

The spelling of 1983412706191 in words is "one trillion, nine hundred eighty-three billion, four hundred twelve million, seven hundred six thousand, one hundred ninety-one".

Divisors: 1 7 197 1379 20921 68749 146447 481243 4121437 13543553 28850059 94804871 1438297829 10068084803 283344672313 1983412706191