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144312221114221 = 4364120832513549
BaseRepresentation
bin100000110100000001001110…
…101011010001111101101101
3200220222010001211001012022111
4200310001032223101331231
5122403402412101123341
61230532041423044021
742253133241005266
oct4064011653217555
9626863054035274
10144312221114221
1141a89518675106
1214228812a40611
13626a77923a164
14278ca6a8a796d
1511a3d5aa01681
hex83404ead1f6d

144312221114221 has 16 divisors (see below), whose sum is σ = 147969752673600. Its totient is φ = 140668602439680.

The previous prime is 144312221114209. The next prime is 144312221114231. The reversal of 144312221114221 is 122411122213441.

It is a cyclic number.

It is not a de Polignac number, because 144312221114221 - 213 = 144312221106029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144312221114231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56156955 + ... + 58670503.

It is an arithmetic number, because the mean of its divisors is an integer number (9248109542100).

Almost surely, 2144312221114221 is an apocalyptic number.

It is an amenable number.

144312221114221 is a deficient number, since it is larger than the sum of its proper divisors (3657531559379).

144312221114221 is a wasteful number, since it uses less digits than its factorization.

144312221114221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516316.

The product of its digits is 6144, while the sum is 31.

Adding to 144312221114221 its reverse (122411122213441), we get a palindrome (266723343327662).

The spelling of 144312221114221 in words is "one hundred forty-four trillion, three hundred twelve billion, two hundred twenty-one million, one hundred fourteen thousand, two hundred twenty-one".

Divisors: 1 43 641 2083 27563 89569 1335203 2513549 57413729 108082607 1611184909 5235722567 69280951087 225136070381 3356098165447 144312221114221