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105606011 = 730674919
BaseRepresentation
bin1100100101101…
…10101101111011
321100201100012202
412102312231323
5204013343021
614251300415
72421431150
oct622665573
9240640182
10105606011
11546803a5
122b44a70b
1318b57384
1410050227
159410a0b
hex64b6b7b

105606011 has 8 divisors (see below), whose sum is σ = 120756480. Its totient is φ = 90471528.

The previous prime is 105605999. The next prime is 105606013. The reversal of 105606011 is 110606501.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105606011 - 218 = 105343867 is a prime.

It is a super-3 number, since 3×1056060113 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105606013) 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 7 ways as a sum of consecutive naturals, for example, 19010 + ... + 23928.

It is an arithmetic number, because the mean of its divisors is an integer number (15094560).

Almost surely, 2105606011 is an apocalyptic number.

105606011 is a deficient number, since it is larger than the sum of its proper divisors (15150469).

105606011 is an equidigital number, since it uses as much as digits as its factorization.

105606011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 105606011 is about 10276.4785310923. The cubic root of 105606011 is about 472.6752684421.

The spelling of 105606011 in words is "one hundred five million, six hundred six thousand, eleven".

Divisors: 1 7 3067 4919 21469 34433 15086573 105606011