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2731650066 = 232178926961
BaseRepresentation
bin1010001011010001…
…1010110000010010
321001101002012102200
42202310122300102
521043300300231
61131020424030
7124456433235
oct24264326022
97041065380
102731650066
111181a44142
126429a8016
13346c187b2
141bcb1141c
1510ec37be6
hexa2d1ac12

2731650066 has 24 divisors (see below), whose sum is σ = 6266727324. Its totient is φ = 856988160.

The previous prime is 2731650037. The next prime is 2731650067. The reversal of 2731650066 is 6600561372.

It can be written as a sum of positive squares in 2 ways, for example, as 2497100841 + 234549225 = 49971^2 + 15315^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2731650066.

It is not an unprimeable number, because it can be changed into a prime (2731650067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4463175 + ... + 4463786.

Almost surely, 22731650066 is an apocalyptic number.

2731650066 is an abundant number, since it is smaller than the sum of its proper divisors (3535077258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2731650066 is a wasteful number, since it uses less digits than its factorization.

2731650066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8926986 (or 8926983 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 2731650066 is about 52265.1898111927. The cubic root of 2731650066 is about 1397.8965121992.

The spelling of 2731650066 in words is "two billion, seven hundred thirty-one million, six hundred fifty thousand, sixty-six".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 8926961 17853922 26780883 53561766 80342649 151758337 160685298 303516674 455275011 910550022 1365825033 2731650066