Search a number
-
+
321002041021441 = 13139071889993949
BaseRepresentation
bin100100011111100110001110…
…0101000001001010000000001
31120002120111101011101011001121
41020333030130220021100001
5314033244140000141231
63054414145111032241
7124420426551613603
oct11077143450112001
91502514334334047
10321002041021441
119331022371802a
123000441a06b681
1310a16493792180
14593a8201d3173
152719eee223311
hex123f31ca09401

321002041021441 has 16 divisors (see below), whose sum is σ = 345741336360000. Its totient is φ = 296269438817088.

The previous prime is 321002041021423. The next prime is 321002041021477. The reversal of 321002041021441 is 144120140200123.

It is a cyclic number.

It is not a de Polignac number, because 321002041021441 - 243 = 312205947999233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321002041001441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3416722135 + ... + 3416816083.

It is an arithmetic number, because the mean of its divisors is an integer number (21608833522500).

Almost surely, 2321002041021441 is an apocalyptic number.

It is an amenable number.

321002041021441 is a deficient number, since it is larger than the sum of its proper divisors (24739295338559).

321002041021441 is a wasteful number, since it uses less digits than its factorization.

321002041021441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126768.

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 321002041021441 its reverse (144120140200123), we get a palindrome (465122181221564).

The spelling of 321002041021441 in words is "three hundred twenty-one trillion, two billion, forty-one million, twenty-one thousand, four hundred forty-one".

Divisors: 1 13 13907 18899 93949 180791 245687 1221337 262828393 1306548743 1775542151 3416769109 16985133659 23082047963 24692464693957 321002041021441