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144221211433 = 13311732068607
BaseRepresentation
bin1000011001010001000…
…0010000101100101001
3111210021000122122020101
42012110100100230221
54330331112231213
6150130533025401
713263636033115
oct2062420205451
9453230578211
10144221211433
1156189128832
1223b4b485261
13107a5286640
146da20c6745
153b415e0bdd
hex2194410b29

144221211433 has 16 divisors (see below), whose sum is σ = 161252130816. Its totient is φ = 128088083520.

The previous prime is 144221211427. The next prime is 144221211437. The reversal of 144221211433 is 334112122441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144221211433 - 25 = 144221211401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144221211437) 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 15 ways as a sum of consecutive naturals, for example, 964585 + ... + 1104022.

It is an arithmetic number, because the mean of its divisors is an integer number (10078258176).

Almost surely, 2144221211433 is an apocalyptic number.

144221211433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144221211433 is a deficient number, since it is larger than the sum of its proper divisors (17030919383).

144221211433 is a wasteful number, since it uses less digits than its factorization.

144221211433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2068824.

The product of its digits is 4608, while the sum is 28.

Adding to 144221211433 its reverse (334112122441), we get a palindrome (478333333874).

The spelling of 144221211433 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred eleven thousand, four hundred thirty-three".

Divisors: 1 13 31 173 403 2249 5363 69719 2068607 26891891 64126817 357869011 833648621 4652297143 11093939341 144221211433