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121444224443 = 475774478197
BaseRepresentation
bin111000100011010100…
…0111100110110111011
3102121110122201210222122
41301012220330312323
53442204210140233
6131442443111455
711526333606203
oct1610650746673
9377418653878
10121444224443
114756010a343
121b65351258b
13b5b547b449
145c4108b403
15325bb83d98
hex1c46a3cdbb

121444224443 has 8 divisors (see below), whose sum is σ = 124243125312. Its totient is φ = 118654281216.

The previous prime is 121444224439. The next prime is 121444224497. The reversal of 121444224443 is 344422444121.

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

It is a cyclic number.

It is not a de Polignac number, because 121444224443 - 22 = 121444224439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121444224413) 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, 2211980 + ... + 2266217.

It is an arithmetic number, because the mean of its divisors is an integer number (15530390664).

Almost surely, 2121444224443 is an apocalyptic number.

121444224443 is a deficient number, since it is larger than the sum of its proper divisors (2798900869).

121444224443 is an equidigital number, since it uses as much as digits as its factorization.

121444224443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4478821.

The product of its digits is 98304, while the sum is 35.

Adding to 121444224443 its reverse (344422444121), we get a palindrome (465866668564).

The spelling of 121444224443 in words is "one hundred twenty-one billion, four hundred forty-four million, two hundred twenty-four thousand, four hundred forty-three".

Divisors: 1 47 577 27119 4478197 210475259 2583919669 121444224443