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2131340105 = 519411733163
BaseRepresentation
bin111111100001001…
…1010101101001001
312111112111021222102
41333002122231021
513331110340410
6551254003145
7103550043356
oct17702325511
95445437872
102131340105
119a40a4404
124b59464b5
1327c741abb
141630c762d
15c71a82a5
hex7f09ab49

2131340105 has 32 divisors (see below), whose sum is σ = 2774701440. Its totient is φ = 1566328320.

The previous prime is 2131340093. The next prime is 2131340129. The reversal of 2131340105 is 5010431312.

It is not a de Polignac number, because 2131340105 - 24 = 2131340089 is a prime.

It is a super-2 number, since 2×21313401052 = 9085221286362822050, which contains 22 as substring.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 672254 + ... + 675416.

It is an arithmetic number, because the mean of its divisors is an integer number (86709420).

Almost surely, 22131340105 is an apocalyptic number.

It is an amenable number.

2131340105 is a deficient number, since it is larger than the sum of its proper divisors (643361335).

2131340105 is a wasteful number, since it uses less digits than its factorization.

2131340105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2131340105 is about 46166.4391630977. The cubic root of 2131340105 is about 1286.9181293784.

Adding to 2131340105 its reverse (5010431312), we get a palindrome (7141771417).

The spelling of 2131340105 in words is "two billion, one hundred thirty-one million, three hundred forty thousand, one hundred five".

Divisors: 1 5 19 41 95 173 205 779 865 3163 3287 3895 7093 15815 16435 35465 60097 129683 134767 300485 547199 648415 673835 2463977 2735995 10396781 12319885 22435159 51983905 112175795 426268021 2131340105