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201083105 = 540216621
BaseRepresentation
bin10111111110001…
…00100011100001
3112000101002011102
423333010203201
5402434124410
631541524145
74661115056
oct1377044341
9460332142
10201083105
11a3562793
1257413655
13328762b2
141c9c502d
15129c02a5
hexbfc48e1

201083105 has 4 divisors (see below), whose sum is σ = 241299732. Its totient is φ = 160866480.

The previous prime is 201083087. The next prime is 201083117. The reversal of 201083105 is 501380102.

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

It can be written as a sum of positive squares in 2 ways, for example, as 36012001 + 165071104 = 6001^2 + 12848^2 .

It is not a de Polignac number, because 201083105 - 26 = 201083041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20108306 + ... + 20108315.

It is an arithmetic number, because the mean of its divisors is an integer number (60324933).

Almost surely, 2201083105 is an apocalyptic number.

It is an amenable number.

201083105 is a deficient number, since it is larger than the sum of its proper divisors (40216627).

201083105 is an equidigital number, since it uses as much as digits as its factorization.

201083105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40216626.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 201083105 is about 14180.3774632412. The cubic root of 201083105 is about 585.8573204255.

The spelling of 201083105 in words is "two hundred one million, eighty-three thousand, one hundred five".

Divisors: 1 5 40216621 201083105