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118227105 = 3252627269
BaseRepresentation
bin1110000110000…
…00000010100001
322020110120002200
413003000002201
5220231231410
615422003413
72633625303
oct703000241
9266416080
10118227105
1160810857
1233716569
131b655c89
14119b7973
15a5a53c0
hex70c00a1

118227105 has 12 divisors (see below), whose sum is σ = 204927060. Its totient is φ = 63054432.

The previous prime is 118227103. The next prime is 118227127. The reversal of 118227105 is 501722811.

It can be written as a sum of positive squares in 2 ways, for example, as 86044176 + 32182929 = 9276^2 + 5673^2 .

It is not a de Polignac number, because 118227105 - 21 = 118227103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (118227103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1313590 + ... + 1313679.

It is an arithmetic number, because the mean of its divisors is an integer number (17077255).

Almost surely, 2118227105 is an apocalyptic number.

118227105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

118227105 is a deficient number, since it is larger than the sum of its proper divisors (86699955).

118227105 is a wasteful number, since it uses less digits than its factorization.

118227105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2627280 (or 2627277 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 27.

The square root of 118227105 is about 10873.2288212840. The cubic root of 118227105 is about 490.8012781853.

Adding to 118227105 its reverse (501722811), we get a palindrome (619949916).

The spelling of 118227105 in words is "one hundred eighteen million, two hundred twenty-seven thousand, one hundred five".

Divisors: 1 3 5 9 15 45 2627269 7881807 13136345 23645421 39409035 118227105