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108012171 = 336004057
BaseRepresentation
bin1100111000000…
…10001010001011
321112020120211210
412130002022023
5210122342141
614415024203
72451042201
oct634021213
9245216753
10108012171
1155a74163
123020b063
13194ba637
14104b9071
159738916
hex670228b

108012171 has 4 divisors (see below), whose sum is σ = 144016232. Its totient is φ = 72008112.

The previous prime is 108012167. The next prime is 108012227. The reversal of 108012171 is 171210801.

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

It is not a de Polignac number, because 108012171 - 22 = 108012167 is a prime.

It is a super-4 number, since 4×1080121714 (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108011171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18002026 + ... + 18002031.

It is an arithmetic number, because the mean of its divisors is an integer number (36004058).

Almost surely, 2108012171 is an apocalyptic number.

108012171 is a deficient number, since it is larger than the sum of its proper divisors (36004061).

108012171 is an equidigital number, since it uses as much as digits as its factorization.

108012171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36004060.

The product of its (nonzero) digits is 112, while the sum is 21.

The square root of 108012171 is about 10392.8904064269. The cubic root of 108012171 is about 476.2382040465.

Adding to 108012171 its reverse (171210801), we get a palindrome (279222972).

The spelling of 108012171 in words is "one hundred eight million, twelve thousand, one hundred seventy-one".

Divisors: 1 3 36004057 108012171