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115445011 = 1121756123
BaseRepresentation
bin1101110000110…
…00110100010011
322001020012210011
412320120310103
5214023220021
615242215351
72601160243
oct670306423
9261205704
10115445011
115a190600
12327b4557
131abc0876
1411491b23
15a205de1
hex6e18d13

115445011 has 12 divisors (see below), whose sum is σ = 134360856. Its totient is φ = 98774720.

The previous prime is 115444999. The next prime is 115445017. The reversal of 115445011 is 110544511.

It is a happy number.

It is not a de Polignac number, because 115445011 - 29 = 115444499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115445017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26005 + ... + 30118.

It is an arithmetic number, because the mean of its divisors is an integer number (11196738).

Almost surely, 2115445011 is an apocalyptic number.

115445011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

115445011 is a deficient number, since it is larger than the sum of its proper divisors (18915845).

115445011 is a wasteful number, since it uses less digits than its factorization.

115445011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56162 (or 56151 counting only the distinct ones).

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

The square root of 115445011 is about 10744.5340057166. The cubic root of 115445011 is about 486.9208705642.

Adding to 115445011 its reverse (110544511), we get a palindrome (225989522).

The spelling of 115445011 in words is "one hundred fifteen million, four hundred forty-five thousand, eleven".

Divisors: 1 11 17 121 187 2057 56123 617353 954091 6790883 10495001 115445011