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4430220320021 = 16376693544043
BaseRepresentation
bin100000001110111110110…
…1101010101110100010101
3120200112011200010101112212
41000131331231111310111
51040041042400220041
613231114244323205
7635033663251316
oct100357555256425
916615150111485
104430220320021
111458933969761
125b67339a3505
132619ca34c132
141145d0cdc60d
157a3909ec8eb
hex4077db55d15

4430220320021 has 8 divisors (see below), whose sum is σ = 4457982066720. Its totient is φ = 4402465677072.

The previous prime is 4430220319961. The next prime is 4430220320039. The reversal of 4430220320021 is 1200230220344.

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 4430220320021 - 26 = 4430220319957 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 (4430220320221) 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, 521975 + ... + 3022068.

It is an arithmetic number, because the mean of its divisors is an integer number (557247758340).

Almost surely, 24430220320021 is an apocalyptic number.

It is an amenable number.

4430220320021 is a deficient number, since it is larger than the sum of its proper divisors (27761746699).

4430220320021 is a wasteful number, since it uses less digits than its factorization.

4430220320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3551875.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 4430220320021 its reverse (1200230220344), we get a palindrome (5630450540365).

The spelling of 4430220320021 in words is "four trillion, four hundred thirty billion, two hundred twenty million, three hundred twenty thousand, twenty-one".

Divisors: 1 163 7669 1250047 3544043 577679009 27179265767 4430220320021