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3405163081 = 29311621717
BaseRepresentation
bin1100101011110110…
…1010101001001001
322210022102012121011
43022331222221021
523433210204311
61321520243521
7150245260105
oct31275525111
98708365534
103405163081
111498142471
127b04705a1
13423612bc8
14244352905
1514de27321
hexcaf6aa49

3405163081 has 4 divisors (see below), whose sum is σ = 3416785092. Its totient is φ = 3393541072.

The previous prime is 3405163057. The next prime is 3405163117. The reversal of 3405163081 is 1803615043.

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 2723169856 + 681993225 = 52184^2 + 26115^2 .

It is a cyclic number.

It is not a de Polignac number, because 3405163081 - 25 = 3405163049 is a prime.

It is a super-2 number, since 2×34051630812 = 23190271216410825122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3405163001) 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, 5810566 + ... + 5811151.

It is an arithmetic number, because the mean of its divisors is an integer number (854196273).

Almost surely, 23405163081 is an apocalyptic number.

It is an amenable number.

3405163081 is a deficient number, since it is larger than the sum of its proper divisors (11622011).

3405163081 is a wasteful number, since it uses less digits than its factorization.

3405163081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11622010.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 3405163081 is about 58353.7752077790. The cubic root of 3405163081 is about 1504.4553580137.

The spelling of 3405163081 in words is "three billion, four hundred five million, one hundred sixty-three thousand, eighty-one".

Divisors: 1 293 11621717 3405163081