Base | Representation |
---|---|
bin | 1000011001010001000… |
… | …0010000101001001011 |
3 | 111210021000122121221011 |
4 | 2012110100100221023 |
5 | 4330331112224321 |
6 | 150130533024351 |
7 | 13263636032350 |
oct | 2062420205113 |
9 | 453230577834 |
10 | 144221211211 |
11 | 56189128650 |
12 | 23b4b4850b7 |
13 | 107a52864cc |
14 | 6da20c6627 |
15 | 3b415e0ae1 |
hex | 2194410a4b |
144221211211 has 16 divisors (see below), whose sum is σ = 182755945728. Its totient is φ = 110537863200.
The previous prime is 144221211191. The next prime is 144221211217. The reversal of 144221211211 is 112112122441.
It is a cyclic number.
It is not a de Polignac number, because 144221211211 - 25 = 144221211179 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144221211217) 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, 15347785 + ... + 15357178.
It is an arithmetic number, because the mean of its divisors is an integer number (11422246608).
Almost surely, 2144221211211 is an apocalyptic number.
144221211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
144221211211 is a deficient number, since it is larger than the sum of its proper divisors (38534734517).
144221211211 is a wasteful number, since it uses less digits than its factorization.
144221211211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30705042.
The product of its digits is 256, while the sum is 22.
Adding to 144221211211 its reverse (112112122441), we get a palindrome (256333333652).
The spelling of 144221211211 in words is "one hundred forty-four billion, two hundred twenty-one million, two hundred eleven thousand, two hundred eleven".
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