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2144341505 = 53491228849
BaseRepresentation
bin111111111010000…
…0000111000000001
312112102221211112202
41333310000320001
513342422412010
6552440402545
7104065413335
oct17764007001
95472854482
102144341505
11a00474569
124ba176455
13282344837
14164b0d7c5
15c83c56a5
hex7fd00e01

2144341505 has 8 divisors (see below), whose sum is σ = 2580585000. Its totient is φ = 1710556416.

The previous prime is 2144341483. The next prime is 2144341513. The reversal of 2144341505 is 5051434412.

It can be written as a sum of positive squares in 4 ways, for example, as 13965169 + 2130376336 = 3737^2 + 46156^2 .

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 2144341505 - 28 = 2144341249 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 612680 + ... + 616169.

It is an arithmetic number, because the mean of its divisors is an integer number (322573125).

Almost surely, 22144341505 is an apocalyptic number.

It is an amenable number.

2144341505 is a deficient number, since it is larger than the sum of its proper divisors (436243495).

2144341505 is a wasteful number, since it uses less digits than its factorization.

2144341505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229203.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 2144341505 is about 46307.0351566584. The cubic root of 2144341505 is about 1289.5296053492.

Adding to 2144341505 its reverse (5051434412), we get a palindrome (7195775917).

The spelling of 2144341505 in words is "two billion, one hundred forty-four million, three hundred forty-one thousand, five hundred five".

Divisors: 1 5 349 1745 1228849 6144245 428868301 2144341505