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2666001169 = 131910793527
BaseRepresentation
bin1001111011100111…
…1111001100010001
320212210112220002001
42132321333030101
520424444014134
61120313354001
7123031431106
oct23671771421
96783486061
102666001169
111148985157
12624a08901
133364415b0
141b4102aad
151090bb414
hex9ee7f311

2666001169 has 8 divisors (see below), whose sum is σ = 3022187840. Its totient is φ = 2331401616.

The previous prime is 2666001167. The next prime is 2666001241. The reversal of 2666001169 is 9611006662.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2666001169 - 21 = 2666001167 is a prime.

It is a super-2 number, since 2×26660011692 = 14215124466218733122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2666001167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5396517 + ... + 5397010.

It is an arithmetic number, because the mean of its divisors is an integer number (377773480).

Almost surely, 22666001169 is an apocalyptic number.

It is an amenable number.

2666001169 is a deficient number, since it is larger than the sum of its proper divisors (356186671).

2666001169 is a wasteful number, since it uses less digits than its factorization.

2666001169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10793559.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2666001169 is about 51633.3338939100. Note that the first 3 decimals coincide. The cubic root of 2666001169 is about 1386.6071815261.

The spelling of 2666001169 in words is "two billion, six hundred sixty-six million, one thousand, one hundred sixty-nine".

Divisors: 1 13 19 247 10793527 140315851 205077013 2666001169