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6705485109 = 32745053901
BaseRepresentation
bin1100011111010110…
…11001010100110101
3122022022112221022100
412033223121110311
5102213101010414
63025213452313
7325111453161
oct61753312465
918268487270
106705485109
112931087234
1213717a1099
1382b2a898b
144787b3ca1
15293a40609
hex18fad9535

6705485109 has 6 divisors (see below), whose sum is σ = 9685700726. Its totient is φ = 4470323400.

The previous prime is 6705485071. The next prime is 6705485123. The reversal of 6705485109 is 9015845076.

6705485109 is a `hidden beast` number, since 67 + 0 + 5 + 485 + 109 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4306640625 + 2398844484 = 65625^2 + 48978^2 .

It is not a de Polignac number, because 6705485109 - 211 = 6705483061 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705485209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 372526942 + ... + 372526959.

Almost surely, 26705485109 is an apocalyptic number.

It is an amenable number.

6705485109 is a deficient number, since it is larger than the sum of its proper divisors (2980215617).

6705485109 is a wasteful number, since it uses less digits than its factorization.

6705485109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745053907 (or 745053904 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 6705485109 is about 81887.0264999285. The cubic root of 6705485109 is about 1885.7179457893.

The spelling of 6705485109 in words is "six billion, seven hundred five million, four hundred eighty-five thousand, one hundred nine".

Divisors: 1 3 9 745053901 2235161703 6705485109