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BaseRepresentation
bin111010100001001001011…
…010011000000010000001
3112020102201202222202101100
4322201021122120002001
51011341131141240001
612315211441525013
7563350040600436
oct72411132300201
915212652882340
104021321040001
111310483989591
1254b438343769
13232294096c35
14dc8c0c61b8d
156e90cbc0586
hex3a849698081

4021321040001 has 24 divisors (see below), whose sum is σ = 5853300610976. Its totient is φ = 2660289194880.

The previous prime is 4021321039987. The next prime is 4021321040003. The reversal of 4021321040001 is 1000401231204.

Adding to 4021321040001 its reverse (1000401231204), we get a palindrome (5021722271205).

4021321040001 is a `hidden beast` number, since 40 + 2 + 13 + 210 + 400 + 0 + 1 = 666.

It is not a de Polignac number, because 4021321040001 - 215 = 4021321007233 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4021321040003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1188280 + ... + 3074841.

Almost surely, 24021321040001 is an apocalyptic number.

It is an amenable number.

4021321040001 is a deficient number, since it is larger than the sum of its proper divisors (1831979570975).

4021321040001 is a wasteful number, since it uses less digits than its factorization.

4021321040001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4263933 (or 4263930 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The spelling of 4021321040001 in words is "four trillion, twenty-one billion, three hundred twenty-one million, forty thousand, one".