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116008121 = 821141301
BaseRepresentation
bin1101110101000…
…10010010111001
322002021211020002
412322202102321
5214144224441
615302242345
72606024045
oct672422271
9262254202
10116008121
115a535689
1232a263b5
131b059c78
141159b025
15a2b7b9b
hex6ea24b9

116008121 has 4 divisors (see below), whose sum is σ = 116150244. Its totient is φ = 115866000.

The previous prime is 116008093. The next prime is 116008141. The reversal of 116008121 is 121800611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121800611 = 655318587.

It can be written as a sum of positive squares in 2 ways, for example, as 81198121 + 34810000 = 9011^2 + 5900^2 .

It is a cyclic number.

It is not a de Polignac number, because 116008121 - 218 = 115745977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 116008093 and 116008102.

It is not an unprimeable number, because it can be changed into a prime (116008141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69830 + ... + 71471.

It is an arithmetic number, because the mean of its divisors is an integer number (29037561).

Almost surely, 2116008121 is an apocalyptic number.

It is an amenable number.

116008121 is a deficient number, since it is larger than the sum of its proper divisors (142123).

116008121 is an equidigital number, since it uses as much as digits as its factorization.

116008121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142122.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 116008121 is about 10770.7066156311. The cubic root of 116008121 is about 487.7112769074.

Adding to 116008121 its reverse (121800611), we get a palindrome (237808732).

The spelling of 116008121 in words is "one hundred sixteen million, eight thousand, one hundred twenty-one".

Divisors: 1 821 141301 116008121