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BaseRepresentation
bin100101011011100000101…
…1100011010101101001101
3200012210101121010001210022
41022313001130122231031
51133241032223233141
614535134002551525
71040444035421414
oct112670134325515
920183347101708
105144321305421
1117037702a03a1
126b10069685a5
132b4151cc50cc
158dc379d4b4b

5144321305421 has 16 divisors (see below), whose sum is σ = 5464524653568. Its totient is φ = 4826093510400.

The previous prime is 5144321305247. The next prime is 5144321305441. The reversal of 5144321305421 is 1245031234415.

Adding to 5144321305421 its reverse (1245031234415), we get a palindrome (6389352539836).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5144321305421 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 (5144321305441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7763411 + ... + 8399951.

It is an arithmetic number, because the mean of its divisors is an integer number (341532790848).

Almost surely, 25144321305421 is an apocalyptic number.

It is an amenable number.

5144321305421 is a deficient number, since it is larger than the sum of its proper divisors (320203348147).

5144321305421 is a wasteful number, since it uses less digits than its factorization.

5144321305421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638092.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 5144321305421 in words is "five trillion, one hundred forty-four billion, three hundred twenty-one million, three hundred five thousand, four hundred twenty-one".