Search a number
-
+
118000811 = 196210569
BaseRepresentation
bin1110000100010…
…00110010101011
322020001001200102
413002020302223
5220202011221
615413100015
72631663455
oct702106253
9266031612
10118000811
1160676835
123362760b
131b5a6c86
14119592d5
15a55d30b
hex7088cab

118000811 has 4 divisors (see below), whose sum is σ = 124211400. Its totient is φ = 111790224.

The previous prime is 118000801. The next prime is 118000819.

118000811 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2k-118000811 is a prime.

118000811 is a strobogrammatic number because it is the same when read upside-down.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (118000819) 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, 3105266 + ... + 3105303.

It is an arithmetic number, because the mean of its divisors is an integer number (31052850).

Almost surely, 2118000811 is an apocalyptic number.

118000811 is a deficient number, since it is larger than the sum of its proper divisors (6210589).

118000811 is an equidigital number, since it uses as much as digits as its factorization.

118000811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6210588.

The product of its (nonzero) digits is 64, while the sum is 20.

The square root of 118000811 is about 10862.8178204368. The cubic root of 118000811 is about 490.4879368357.

It can be divided in two parts, 118000 and 811, that added together give a palindrome (118811).

The spelling of 118000811 in words is "one hundred eighteen million, eight hundred eleven", and thus it is an aban number.

Divisors: 1 19 6210569 118000811