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2102444223 = 311223285697
BaseRepresentation
bin111110101010000…
…1100000010111111
312102112010020021120
41331110030002333
513301211203343
6544342402023
7103046323665
oct17524140277
95375106246
102102444223
11989858510
124a8130313
13276765549
1415d324c35
15c489b683
hex7d50c0bf

2102444223 has 16 divisors (see below), whose sum is σ = 3071824896. Its totient is φ = 1268490240.

The previous prime is 2102444209. The next prime is 2102444231. The reversal of 2102444223 is 3224442012.

It is not a de Polignac number, because 2102444223 - 210 = 2102443199 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2102444193 and 2102444202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102444243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135490 + ... + 150207.

It is an arithmetic number, because the mean of its divisors is an integer number (191989056).

Almost surely, 22102444223 is an apocalyptic number.

2102444223 is a deficient number, since it is larger than the sum of its proper divisors (969380673).

2102444223 is a wasteful number, since it uses less digits than its factorization.

2102444223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285934.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2102444223 is about 45852.4178533695. The cubic root of 2102444223 is about 1281.0758010943.

Adding to 2102444223 its reverse (3224442012), we get a palindrome (5326886235).

The spelling of 2102444223 in words is "two billion, one hundred two million, four hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 3 11 33 223 669 2453 7359 285697 857091 3142667 9428001 63710431 191131293 700814741 2102444223