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321444144220441 = 11151004919351819
BaseRepresentation
bin100100100010110100000110…
…0000010000000100100011001
31120011010202112002112122012011
41021011220030002000210121
5314113020101410023231
63055353222400545521
7124464400360035124
oct11105501402004431
91504122462478164
10321444144220441
1193470772420a60
12300760416222a1
1310a4908bb209c8
145953da00033bb
15272677709d9b1
hex1245a0c080919

321444144220441 has 8 divisors (see below), whose sum is σ = 350666589492000. Its totient is φ = 292221740672640.

The previous prime is 321444144220417. The next prime is 321444144220457. The reversal of 321444144220441 is 144022441444123.

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 321444144220441 - 27 = 321444144220313 is a prime.

It is a super-2 number, since 2×3214441442204412 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 321444144220394 and 321444144220403.

It is not an unprimeable number, because it can be changed into a prime (321444144220741) 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, 6934630 + ... + 26286448.

It is an arithmetic number, because the mean of its divisors is an integer number (43833323686500).

Almost surely, 2321444144220441 is an apocalyptic number.

It is an amenable number.

321444144220441 is a deficient number, since it is larger than the sum of its proper divisors (29222445271559).

321444144220441 is a wasteful number, since it uses less digits than its factorization.

321444144220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20861879.

The product of its (nonzero) digits is 393216, while the sum is 40.

Adding to 321444144220441 its reverse (144022441444123), we get a palindrome (465466585664564).

The spelling of 321444144220441 in words is "three hundred twenty-one trillion, four hundred forty-four billion, one hundred forty-four million, two hundred twenty thousand, four hundred forty-one".

Divisors: 1 11 1510049 16610539 19351819 212870009 29222194929131 321444144220441