Base | Representation |
---|---|
bin | 1000011010000101001… |
… | …1010101111101010110 |
3 | 111210211021120111202102 |
4 | 2012201103111331112 |
5 | 4331303132420342 |
6 | 150204353042102 |
7 | 13302234534653 |
oct | 2064123257526 |
9 | 453737514672 |
10 | 144440123222 |
11 | 5629075846a |
12 | 23bb0856332 |
13 | 1080b732945 |
14 | 6dc31ccc2a |
15 | 3b55933832 |
hex | 21a14d5f56 |
144440123222 has 4 divisors (see below), whose sum is σ = 216660184836. Its totient is φ = 72220061610.
The previous prime is 144440123221. The next prime is 144440123249. The reversal of 144440123222 is 222321044441.
It is a happy number.
144440123222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a super-2 number, since 2×1444401232222 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (144440123221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36110030804 + ... + 36110030807.
It is an arithmetic number, because the mean of its divisors is an integer number (54165046209).
Almost surely, 2144440123222 is an apocalyptic number.
144440123222 is a deficient number, since it is larger than the sum of its proper divisors (72220061614).
144440123222 is an equidigital number, since it uses as much as digits as its factorization.
144440123222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 72220061613.
The product of its (nonzero) digits is 12288, while the sum is 29.
Adding to 144440123222 its reverse (222321044441), we get a palindrome (366761167663).
The spelling of 144440123222 in words is "one hundred forty-four billion, four hundred forty million, one hundred twenty-three thousand, two hundred twenty-two".
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