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2144344441 = 23180151767
BaseRepresentation
bin111111111010000…
…0001100101111001
312112102221222120111
41333310001211321
513342423010231
6552440424321
7104065425031
oct17764014571
95472858514
102144344441
11a00476798
124ba1780a1
13282345c85
14164b108c1
15c83c64b1
hex7fd01979

2144344441 has 8 divisors (see below), whose sum is σ = 2238862464. Its totient is φ = 2049933600.

The previous prime is 2144344429. The next prime is 2144344451. The reversal of 2144344441 is 1444434412.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2144344441 is a prime.

It is a super-3 number, since 3×21443444413 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2144344421) 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, 15540 + ... + 67306.

It is an arithmetic number, because the mean of its divisors is an integer number (279857808).

Almost surely, 22144344441 is an apocalyptic number.

It is an amenable number.

2144344441 is a deficient number, since it is larger than the sum of its proper divisors (94518023).

2144344441 is a wasteful number, since it uses less digits than its factorization.

2144344441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53591.

The product of its digits is 24576, while the sum is 31.

The square root of 2144344441 is about 46307.0668580941. The cubic root of 2144344441 is about 1289.5301938838.

Adding to 2144344441 its reverse (1444434412), we get a palindrome (3588778853).

The spelling of 2144344441 in words is "two billion, one hundred forty-four million, three hundred forty-four thousand, four hundred forty-one".

Divisors: 1 23 1801 41423 51767 1190641 93232367 2144344441