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106911905585 = 534981611257
BaseRepresentation
bin110001110010001110…
…0100011011100110001
3101012221212121112012212
41203210130203130301
53222423421434320
6121040433101505
710503243126512
oct1434434433461
9335855545185
10106911905585
1141382a90071
12188786b7895
13a10a7acbc4
145263008a09
152baae519c5
hex18e4723731

106911905585 has 8 divisors (see below), whose sum is σ = 128298164136. Its totient is φ = 85526939520.

The previous prime is 106911905579. The next prime is 106911905587. The reversal of 106911905585 is 585509119601.

It can be written as a sum of positive squares in 4 ways, for example, as 44416405504 + 62495500081 = 210752^2 + 249991^2 .

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

It is not a de Polignac number, because 106911905585 - 218 = 106911643441 is a prime.

It is a super-2 number, since 2×1069119055852 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106911905587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130724 + ... + 480533.

It is an arithmetic number, because the mean of its divisors is an integer number (16037270517).

Almost surely, 2106911905585 is an apocalyptic number.

It is an amenable number.

106911905585 is a deficient number, since it is larger than the sum of its proper divisors (21386258551).

106911905585 is an equidigital number, since it uses as much as digits as its factorization.

106911905585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646243.

The product of its (nonzero) digits is 486000, while the sum is 50.

The spelling of 106911905585 in words is "one hundred six billion, nine hundred eleven million, nine hundred five thousand, five hundred eighty-five".

Divisors: 1 5 34981 174905 611257 3056285 21382381117 106911905585