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144101040505 = 556897506533
BaseRepresentation
bin1000011000110100010…
…1110110000101111001
3111202221122112022201021
42012031011312011321
54330104331244010
6150111001222441
713260646430422
oct2061505660571
9452848468637
10144101040505
115612730a614
1223b17191a21
13107863cc996
146d90164649
153b35ca48da
hex218d176179

144101040505 has 8 divisors (see below), whose sum is σ = 172924629192. Its totient is φ = 115278578688.

The previous prime is 144101040497. The next prime is 144101040509. The reversal of 144101040505 is 505040101441.

It can be written as a sum of positive squares in 4 ways, for example, as 3335755536 + 140765284969 = 57756^2 + 375187^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144101040505 - 23 = 144101040497 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144101040505.

It is not an unprimeable number, because it can be changed into a prime (144101040509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31219 + ... + 537751.

It is an arithmetic number, because the mean of its divisors is an integer number (21615578649).

Almost surely, 2144101040505 is an apocalyptic number.

It is an amenable number.

144101040505 is a deficient number, since it is larger than the sum of its proper divisors (28823588687).

144101040505 is an equidigital number, since it uses as much as digits as its factorization.

144101040505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563435.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 144101040505 its reverse (505040101441), we get a palindrome (649141141946).

The spelling of 144101040505 in words is "one hundred forty-four billion, one hundred one million, forty thousand, five hundred five".

Divisors: 1 5 56897 284485 506533 2532665 28820208101 144101040505