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2220213044 = 22779293323
BaseRepresentation
bin1000010001010101…
…1100001100110100
312201201201111201202
42010111130030310
514021333304134
61004150512032
7106006333220
oct20425341464
95651644652
102220213044
11a3a285a15
1251b665618
13294c8aa3a
14170c1d780
15cedb0d7e
hex8455c334

2220213044 has 12 divisors (see below), whose sum is σ = 4440426144. Its totient is φ = 951519864.

The previous prime is 2220213041. The next prime is 2220213131. The reversal of 2220213044 is 4403120222.

2220213044 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220213041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39646634 + ... + 39646689.

It is an arithmetic number, because the mean of its divisors is an integer number (370035512).

Almost surely, 22220213044 is an apocalyptic number.

It is an amenable number.

2220213044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2220213044 is a wasteful number, since it uses less digits than its factorization.

2220213044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79293334 (or 79293332 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2220213044 is about 47119.1367068625. The cubic root of 2220213044 is about 1304.5624784632.

Adding to 2220213044 its reverse (4403120222), we get a palindrome (6623333266).

The spelling of 2220213044 in words is "two billion, two hundred twenty million, two hundred thirteen thousand, forty-four".

Divisors: 1 2 4 7 14 28 79293323 158586646 317173292 555053261 1110106522 2220213044