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4165242109 = 7323527981
BaseRepresentation
bin1111100001000100…
…1000110011111101
3101202021122020000021
43320101020303331
532012300221414
61525151332141
7205134655000
oct37021106375
911667566007
104165242109
111848197056
12982b21051
13514c29202
142b7289537
15195a15c24
hexf8448cfd

4165242109 has 16 divisors (see below), whose sum is σ = 5068627200. Its totient is φ = 3414974640.

The previous prime is 4165242089. The next prime is 4165242113. The reversal of 4165242109 is 9012425614.

It is not a de Polignac number, because 4165242109 - 27 = 4165241981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4165245109) 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 15 ways as a sum of consecutive naturals, for example, 256102 + ... + 271879.

It is an arithmetic number, because the mean of its divisors is an integer number (316789200).

Almost surely, 24165242109 is an apocalyptic number.

4165242109 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

4165242109 is a deficient number, since it is larger than the sum of its proper divisors (903385091).

4165242109 is an equidigital number, since it uses as much as digits as its factorization.

4165242109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528025 (or 528011 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 4165242109 is about 64538.6869172282. The cubic root of 4165242109 is about 1608.9655673986.

The spelling of 4165242109 in words is "four billion, one hundred sixty-five million, two hundred forty-two thousand, one hundred nine".

Divisors: 1 7 23 49 161 343 1127 7889 527981 3695867 12143563 25871069 85004941 181097483 595034587 4165242109