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2206148885 = 5441229777
BaseRepresentation
bin1000001101111111…
…0010100100010101
312200202020222022222
42003133302210111
514004233231020
61002525232125
7105445645643
oct20337624425
95622228288
102206148885
11a3234a346
12516a02645
132920a5355
1416cddc193
15cda33b25
hex837f2915

2206148885 has 4 divisors (see below), whose sum is σ = 2647378668. Its totient is φ = 1764919104.

The previous prime is 2206148831. The next prime is 2206148897. The reversal of 2206148885 is 5888416022.

2206148885 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 can be written as a sum of positive squares in 2 ways, for example, as 1594724356 + 611424529 = 39934^2 + 24727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2206148885 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220614884 + ... + 220614893.

It is an arithmetic number, because the mean of its divisors is an integer number (661844667).

Almost surely, 22206148885 is an apocalyptic number.

It is an amenable number.

2206148885 is a deficient number, since it is larger than the sum of its proper divisors (441229783).

2206148885 is an equidigital number, since it uses as much as digits as its factorization.

2206148885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441229782.

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 2206148885 is about 46969.6591961236. The cubic root of 2206148885 is about 1301.8020147624.

The spelling of 2206148885 in words is "two billion, two hundred six million, one hundred forty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 441229777 2206148885