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2066383641 = 372341104347
BaseRepresentation
bin111101100101010…
…1000001100011001
312100000021011110110
41323022220030121
513212443234031
6541013434533
7102130654050
oct17312501431
95300234413
102066383641
11970468683
1249803ba49
1326c14ab1a
14158619397
15c1626c46
hex7b2a8319

2066383641 has 32 divisors (see below), whose sum is σ = 3365849088. Its totient is φ = 1101893760.

The previous prime is 2066383621. The next prime is 2066383667. The reversal of 2066383641 is 1463836602.

It is not a de Polignac number, because 2066383641 - 29 = 2066383129 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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 2066383641.

It is not an unprimeable number, because it can be changed into a prime (2066383621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32371 + ... + 71976.

It is an arithmetic number, because the mean of its divisors is an integer number (105182784).

Almost surely, 22066383641 is an apocalyptic number.

2066383641 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2066383641 is a deficient number, since it is larger than the sum of its proper divisors (1299465447).

2066383641 is a wasteful number, since it uses less digits than its factorization.

2066383641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104421.

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 2066383641 is about 45457.4926827250. The cubic root of 2066383641 is about 1273.7092956072.

The spelling of 2066383641 in words is "two billion, sixty-six million, three hundred eighty-three thousand, six hundred forty-one".

Divisors: 1 3 7 21 23 41 69 123 161 287 483 861 943 2829 6601 19803 104347 313041 730429 2191287 2399981 4278227 7199943 12834681 16799867 29947589 50399601 89842767 98399221 295197663 688794547 2066383641