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115120214005 = 523024042801
BaseRepresentation
bin110101100110110110…
…0110000111111110101
3102000010220222210112211
41223031230300333311
53341231233322010
6124515133413421
711213533450036
oct1531554607765
9360126883484
10115120214005
11449053a5735
121a38963a271
13ab18228c34
145801218a8d
152edb89808a
hex1acdb30ff5

115120214005 has 4 divisors (see below), whose sum is σ = 138144256812. Its totient is φ = 92096171200.

The previous prime is 115120213987. The next prime is 115120214051. The reversal of 115120214005 is 500412021511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 500412021511 = 717048056641.

It can be written as a sum of positive squares in 2 ways, for example, as 13297318596 + 101822895409 = 115314^2 + 319097^2 .

It is not a de Polignac number, because 115120214005 - 215 = 115120181237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11512021396 + ... + 11512021405.

It is an arithmetic number, because the mean of its divisors is an integer number (34536064203).

Almost surely, 2115120214005 is an apocalyptic number.

It is an amenable number.

115120214005 is a deficient number, since it is larger than the sum of its proper divisors (23024042807).

115120214005 is an equidigital number, since it uses as much as digits as its factorization.

115120214005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23024042806.

The product of its (nonzero) digits is 400, while the sum is 22.

Adding to 115120214005 its reverse (500412021511), we get a palindrome (615532235516).

The spelling of 115120214005 in words is "one hundred fifteen billion, one hundred twenty million, two hundred fourteen thousand, five".

Divisors: 1 5 23024042801 115120214005