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2220206671 = 6748716803
BaseRepresentation
bin1000010001010101…
…1010101001001111
312201201201011222201
42010111122221033
514021333103141
61004150422331
7106006305514
oct20425325117
95651634881
102220206671
11a3a281151
1251b6619a7
13294c87b77
14170c1b30b
15cedae031
hex8455aa4f

2220206671 has 8 divisors (see below), whose sum is σ = 2254137984. Its totient is φ = 2186298840.

The previous prime is 2220206657. The next prime is 2220206683. The reversal of 2220206671 is 1766020222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220206671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220206971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322956 + ... + 329758.

It is an arithmetic number, because the mean of its divisors is an integer number (281767248).

Almost surely, 22220206671 is an apocalyptic number.

2220206671 is a deficient number, since it is larger than the sum of its proper divisors (33931313).

2220206671 is an equidigital number, since it uses as much as digits as its factorization.

2220206671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2220206671 is about 47119.0690803628. The cubic root of 2220206671 is about 1304.5612302370.

Adding to 2220206671 its reverse (1766020222), we get a palindrome (3986226893).

The spelling of 2220206671 in words is "two billion, two hundred twenty million, two hundred six thousand, six hundred seventy-one".

Divisors: 1 67 4871 6803 326357 455801 33137413 2220206671