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7115121113 = 107191348149
BaseRepresentation
bin1101010000001100…
…00010000111011001
3200100212100121021012
412220012002013121
5104032432333423
63134005423305
7341214350222
oct65006020731
920325317235
107115121113
113021333891
121466a0ab35
13895112249
144b6d66249
152b99a9078
hex1a81821d9

7115121113 has 8 divisors (see below), whose sum is σ = 7219238400. Its totient is φ = 7011700720.

The previous prime is 7115121077. The next prime is 7115121137. The reversal of 7115121113 is 3111215117.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7115121113 - 218 = 7114858969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7115121173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153638 + ... + 194511.

It is an arithmetic number, because the mean of its divisors is an integer number (902404800).

Almost surely, 27115121113 is an apocalyptic number.

It is an amenable number.

7115121113 is a deficient number, since it is larger than the sum of its proper divisors (104117287).

7115121113 is a wasteful number, since it uses less digits than its factorization.

7115121113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348447.

The product of its digits is 210, while the sum is 23.

The square root of 7115121113 is about 84351.1773065439. The cubic root of 7115121113 is about 1923.3608231227.

The spelling of 7115121113 in words is "seven billion, one hundred fifteen million, one hundred twenty-one thousand, one hundred thirteen".

Divisors: 1 107 191 20437 348149 37251943 66496459 7115121113