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244110000221 = 394453618857
BaseRepresentation
bin1110001101011000010…
…1110000000001011101
3212100002110000212101022
43203112011300001131
512444414130001341
6304050444253525
723431162523513
oct3432605600135
9770073025338
10244110000221
119458780523a
123b387b412a5
131a033a28619
14bb5a4784b3
15653abade4b
hex38d617005d

244110000221 has 4 divisors (see below), whose sum is σ = 244111013532. Its totient is φ = 244108986912.

The previous prime is 244110000191. The next prime is 244110000287. The reversal of 244110000221 is 122000011442.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 157680468100 + 86429532121 = 397090^2 + 293989^2 .

It is a cyclic number.

It is not a de Polignac number, because 244110000221 - 222 = 244105805917 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 244110000221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244110000521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85025 + ... + 703881.

It is an arithmetic number, because the mean of its divisors is an integer number (61027753383).

Almost surely, 2244110000221 is an apocalyptic number.

It is an amenable number.

244110000221 is a deficient number, since it is larger than the sum of its proper divisors (1013311).

244110000221 is an equidigital number, since it uses as much as digits as its factorization.

244110000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013310.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 244110000221 its reverse (122000011442), we get a palindrome (366110011663).

The spelling of 244110000221 in words is "two hundred forty-four billion, one hundred ten million, two hundred twenty-one", and thus it is an aban number.

Divisors: 1 394453 618857 244110000221