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4906106665 = 5981221333
BaseRepresentation
bin1001001000110110…
…10011111100101001
3110122220201001010021
410210123103330221
540021430403130
62130454520441
7232402134655
oct44433237451
913586631107
104906106665
112098407609
12b4b066121
136025757c5
1434781da65
151daaab37a
hex1246d3f29

4906106665 has 4 divisors (see below), whose sum is σ = 5887328004. Its totient is φ = 3924885328.

The previous prime is 4906106663. The next prime is 4906106669. The reversal of 4906106665 is 5666016094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5666016094 = 22833008047.

It can be written as a sum of positive squares in 2 ways, for example, as 533194281 + 4372912384 = 23091^2 + 66128^2 .

It is a cyclic number.

It is not a de Polignac number, because 4906106665 - 21 = 4906106663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4906106663) 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, 490610662 + ... + 490610671.

It is an arithmetic number, because the mean of its divisors is an integer number (1471832001).

Almost surely, 24906106665 is an apocalyptic number.

It is an amenable number.

4906106665 is a deficient number, since it is larger than the sum of its proper divisors (981221339).

4906106665 is an equidigital number, since it uses as much as digits as its factorization.

4906106665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 981221338.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 4906106665 is about 70043.6054540313. The cubic root of 4906106665 is about 1699.2045488485.

The spelling of 4906106665 in words is "four billion, nine hundred six million, one hundred six thousand, six hundred sixty-five".

Divisors: 1 5 981221333 4906106665