Base | Representation |
---|---|
bin | 10001010000000… |
… | …00011010111011 |
3 | 101002021210020021 |
4 | 20220000122323 |
5 | 244021031321 |
6 | 22205311311 |
7 | 3404655040 |
oct | 1050003273 |
9 | 332253207 |
10 | 144705211 |
11 | 74756192 |
12 | 40565537 |
13 | 23c96bb1 |
14 | 1530b1c7 |
15 | ca85941 |
hex | 8a006bb |
144705211 has 16 divisors (see below), whose sum is σ = 169516800. Its totient is φ = 120957408.
The previous prime is 144705203. The next prime is 144705247. The reversal of 144705211 is 112507441.
It is a cyclic number.
It is not a de Polignac number, because 144705211 - 23 = 144705203 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (144702211) 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 15 ways as a sum of consecutive naturals, for example, 65320 + ... + 67498.
It is an arithmetic number, because the mean of its divisors is an integer number (10594800).
Almost surely, 2144705211 is an apocalyptic number.
144705211 is a deficient number, since it is larger than the sum of its proper divisors (24811589).
144705211 is a wasteful number, since it uses less digits than its factorization.
144705211 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2418.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 144705211 is about 12029.3479041883. The cubic root of 144705211 is about 525.0025227392.
The spelling of 144705211 in words is "one hundred forty-four million, seven hundred five thousand, two hundred eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •