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2118118112 = 25116017381
BaseRepresentation
bin111111000111111…
…1110101011100000
312110121121112210222
41332033332223200
513314214234422
6550102342212
7103326464315
oct17617765340
95417545728
102118118112
11997693540
124b142a968
13279a92836
14161444d0c
15c5e45842
hex7e3feae0

2118118112 has 24 divisors (see below), whose sum is σ = 4549140792. Its totient is φ = 962780800.

The previous prime is 2118118099. The next prime is 2118118117.

2118118112 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118118117) 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, 3008339 + ... + 3009042.

It is an arithmetic number, because the mean of its divisors is an integer number (189547533).

Almost surely, 22118118112 is an apocalyptic number.

2118118112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2118118112 is an abundant number, since it is smaller than the sum of its proper divisors (2431022680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118118112 is a wasteful number, since it uses less digits than its factorization.

2118118112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6017402 (or 6017394 counting only the distinct ones).

The product of its digits is 256, while the sum is 26.

The square root of 2118118112 is about 46023.0171979196. The cubic root of 2118118112 is about 1284.2514299470.

It can be divided in two parts, 21181 and 18112, that added together give a palindrome (39293).

The spelling of 2118118112 in words is "two billion, one hundred eighteen million, one hundred eighteen thousand, one hundred twelve".

Divisors: 1 2 4 8 11 16 22 32 44 88 176 352 6017381 12034762 24069524 48139048 66191191 96278096 132382382 192556192 264764764 529529528 1059059056 2118118112