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42220244223 = 36193048173
BaseRepresentation
bin100111010100100001…
…011100110011111111
311000222101211122000000
4213110201130303333
51142431340303343
631221250205343
73023154104013
oct472441346377
9130871748000
1042220244223
11169a6255423
128223583853
133c9b051541
1420873d8543
1511718a1ed3
hex9d485ccff

42220244223 has 28 divisors (see below), whose sum is σ = 66633083640. Its totient is φ = 26665408656.

The previous prime is 42220244207. The next prime is 42220244267. The reversal of 42220244223 is 32244202224.

It is not a de Polignac number, because 42220244223 - 24 = 42220244207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42220244273) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 1510236 + ... + 1537937.

Almost surely, 242220244223 is an apocalyptic number.

42220244223 is a deficient number, since it is larger than the sum of its proper divisors (24412839417).

42220244223 is an equidigital number, since it uses as much as digits as its factorization.

42220244223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048210 (or 3048195 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 42220244223 its reverse (32244202224), we get a palindrome (74464446447).

The spelling of 42220244223 in words is "forty-two billion, two hundred twenty million, two hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 3 9 19 27 57 81 171 243 513 729 1539 4617 13851 3048173 9144519 27433557 57915287 82300671 173745861 246902013 521237583 740706039 1563712749 2222118117 4691138247 14073414741 42220244223