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108196811 = 195694569
BaseRepresentation
bin1100111001011…
…11001111001011
321112120222010022
412130233033023
5210144244221
614423011055
72452441412
oct634571713
9245528108
10108196811
115608a958
1230299a8b
13195536a8
1410526479
1597734ab
hex672f3cb

108196811 has 4 divisors (see below), whose sum is σ = 113891400. Its totient is φ = 102502224.

The previous prime is 108196801. The next prime is 108196817. The reversal of 108196811 is 118691801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118691801 = 719165079.

It is a cyclic number.

It is not a de Polignac number, because 108196811 - 26 = 108196747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108196817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2847266 + ... + 2847303.

It is an arithmetic number, because the mean of its divisors is an integer number (28472850).

Almost surely, 2108196811 is an apocalyptic number.

108196811 is a deficient number, since it is larger than the sum of its proper divisors (5694589).

108196811 is an equidigital number, since it uses as much as digits as its factorization.

108196811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5694588.

The product of its (nonzero) digits is 3456, while the sum is 35.

The square root of 108196811 is about 10401.7696090617. The cubic root of 108196811 is about 476.5094159652.

The spelling of 108196811 in words is "one hundred eight million, one hundred ninety-six thousand, eight hundred eleven".

Divisors: 1 19 5694569 108196811