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1006663030291 = 2227145200621
BaseRepresentation
bin11101010011000011100…
…10101101011000010011
310120020101002002102201201
432221201302231120103
5112443121213432131
62050242110212031
7132505022401222
oct16514162553023
93506332072651
101006663030291
11358a180451a6
121431214b4017
1373c0a82b509
1436a19328cb9
151b2bb6bc761
hexea61cad613

1006663030291 has 4 divisors (see below), whose sum is σ = 1006708253184. Its totient is φ = 1006617807400.

The previous prime is 1006663030283. The next prime is 1006663030301. The reversal of 1006663030291 is 1920303666001.

1006663030291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1006663030291 - 23 = 1006663030283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1006663030291.

It is not an unprimeable number, because it can be changed into a prime (1006663030201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22578040 + ... + 22622581.

It is an arithmetic number, because the mean of its divisors is an integer number (251677063296).

Almost surely, 21006663030291 is an apocalyptic number.

1006663030291 is a deficient number, since it is larger than the sum of its proper divisors (45222893).

1006663030291 is an equidigital number, since it uses as much as digits as its factorization.

1006663030291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45222892.

The product of its (nonzero) digits is 34992, while the sum is 37.

Adding to 1006663030291 its reverse (1920303666001), we get a palindrome (2926966696292).

The spelling of 1006663030291 in words is "one trillion, six billion, six hundred sixty-three million, thirty thousand, two hundred ninety-one".

Divisors: 1 22271 45200621 1006663030291