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144473444047 = 236281454089
BaseRepresentation
bin1000011010001101001…
…0011100111011001111
3111210220121021101100001
42012203102130323033
54331340200202142
6150211543145131
713303121004142
oct2064322347317
9453817241301
10144473444047
11562a8546939
1223bbba451a7
13108155cb2ca
146dc77c4059
153b588165b7
hex21a349cecf

144473444047 has 4 divisors (see below), whose sum is σ = 150754898160. Its totient is φ = 138191989936.

The previous prime is 144473444041. The next prime is 144473444051. The reversal of 144473444047 is 740444374441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144473444047 - 211 = 144473441999 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144473443988 and 144473444006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144473444041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3140727022 + ... + 3140727067.

It is an arithmetic number, because the mean of its divisors is an integer number (37688724540).

Almost surely, 2144473444047 is an apocalyptic number.

144473444047 is a deficient number, since it is larger than the sum of its proper divisors (6281454113).

144473444047 is an equidigital number, since it uses as much as digits as its factorization.

144473444047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6281454112.

The product of its (nonzero) digits is 2408448, while the sum is 46.

The spelling of 144473444047 in words is "one hundred forty-four billion, four hundred seventy-three million, four hundred forty-four thousand, forty-seven".

Divisors: 1 23 6281454089 144473444047