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1115052105 = 3574336807
BaseRepresentation
bin100001001110110…
…0101100001001001
32212201011111221010
41002131211201021
54240423131410
6302351234133
736426533526
oct10235454111
92781144833
101115052105
11522466172
12271518949
1314a020c5b
14a813a14d
1567d5ac20
hex42765849

1115052105 has 8 divisors (see below), whose sum is σ = 1784083392. Its totient is φ = 594694448.

The previous prime is 1115052053. The next prime is 1115052109. The reversal of 1115052105 is 5012505111.

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 1115052105 - 26 = 1115052041 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1115052109) 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, 37168389 + ... + 37168418.

It is an arithmetic number, because the mean of its divisors is an integer number (223010424).

Almost surely, 21115052105 is an apocalyptic number.

1115052105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1115052105 is a deficient number, since it is larger than the sum of its proper divisors (669031287).

1115052105 is an equidigital number, since it uses as much as digits as its factorization.

1115052105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74336815.

The product of its (nonzero) digits is 250, while the sum is 21.

The square root of 1115052105 is about 33392.3959158369. The cubic root of 1115052105 is about 1036.9672821360.

Adding to 1115052105 its reverse (5012505111), we get a palindrome (6127557216).

The spelling of 1115052105 in words is "one billion, one hundred fifteen million, fifty-two thousand, one hundred five".

Divisors: 1 3 5 15 74336807 223010421 371684035 1115052105