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144212211 = 33111341911
BaseRepresentation
bin10001001100010…
…00000011110011
3101001100201222000
420212020003303
5243404242321
622150545043
73400532523
oct1046100363
9331321860
10144212211
1174449850
1240368183
1323b53690
141521d683
15c9d9826
hex89880f3

144212211 has 64 divisors (see below), whose sum is σ = 257402880. Its totient is φ = 78624000.

The previous prime is 144212203. The next prime is 144212213. The reversal of 144212211 is 112212441.

144212211 is a `hidden beast` number, since 1 + 442 + 1 + 221 + 1 = 666.

It is not a de Polignac number, because 144212211 - 23 = 144212203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144212213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 157846 + ... + 158756.

It is an arithmetic number, because the mean of its divisors is an integer number (4021920).

Almost surely, 2144212211 is an apocalyptic number.

144212211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

144212211 is a deficient number, since it is larger than the sum of its proper divisors (113190669).

144212211 is a wasteful number, since it uses less digits than its factorization.

144212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985 (or 979 counting only the distinct ones).

The product of its digits is 128, while the sum is 18.

The square root of 144212211 is about 12008.8388697659. The cubic root of 144212211 is about 524.4056293873.

Adding to 144212211 its reverse (112212441), we get a palindrome (256424652).

The spelling of 144212211 in words is "one hundred forty-four million, two hundred twelve thousand, two hundred eleven".

Divisors: 1 3 9 11 13 27 33 39 41 99 117 123 143 297 351 369 429 451 533 911 1107 1287 1353 1599 2733 3861 4059 4797 5863 8199 10021 11843 12177 14391 17589 24597 30063 35529 37351 52767 90189 106587 112053 130273 158301 270567 319761 336159 390819 410861 485563 1008477 1172457 1232583 1456689 3517371 3697749 4370067 5341193 11093247 13110201 16023579 48070737 144212211