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144440123222 = 272220061611
BaseRepresentation
bin1000011010000101001…
…1010101111101010110
3111210211021120111202102
42012201103111331112
54331303132420342
6150204353042102
713302234534653
oct2064123257526
9453737514672
10144440123222
115629075846a
1223bb0856332
131080b732945
146dc31ccc2a
153b55933832
hex21a14d5f56

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".

Divisors: 1 2 72220061611 144440123222