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1144230113221 = 13229384356773
BaseRepresentation
bin10000101001101001011…
…011011110111111000101
311001101110100211022200021
4100221221123132333011
5122221340402110341
62233352502215141
7145445042325646
oct20515133367705
94041410738607
101144230113221
114012a1083778
121659144244b1
1383b9234abc0
143d5497a96cd
151eb6da149d1
hex10a696defc5

1144230113221 has 8 divisors (see below), whose sum is σ = 1237628812280. Its totient is φ = 1051600128192.

The previous prime is 1144230113167. The next prime is 1144230113231. The reversal of 1144230113221 is 1223110324411.

It can be written as a sum of positive squares in 4 ways, for example, as 51933396321 + 1092296716900 = 227889^2 + 1045130^2 .

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 1144230113221 - 219 = 1144229588933 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 (1144230113231) 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 7 ways as a sum of consecutive naturals, for example, 192175410 + ... + 192181363.

It is an arithmetic number, because the mean of its divisors is an integer number (154703601535).

Almost surely, 21144230113221 is an apocalyptic number.

It is an amenable number.

1144230113221 is a deficient number, since it is larger than the sum of its proper divisors (93398699059).

1144230113221 is a wasteful number, since it uses less digits than its factorization.

1144230113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384357015.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 1144230113221 its reverse (1223110324411), we get a palindrome (2367340437632).

The spelling of 1144230113221 in words is "one trillion, one hundred forty-four billion, two hundred thirty million, one hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 13 229 2977 384356773 4996638049 88017701017 1144230113221