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4430220320420 = 22515112231199477
BaseRepresentation
bin100000001110111110110…
…1101010101111010100100
3120200112011200010102002122
41000131331231111322210
51040041042400223140
613231114244325112
7635033663252426
oct100357555257244
916615150112078
104430220320420
111458933969a94
125b67339a3798
132619ca34c37b
141145d0cdc816
157a3909ecab5
hex4077db55ea4

4430220320420 has 48 divisors (see below), whose sum is σ = 9372740283648. Its totient is φ = 1758911606400.

The previous prime is 4430220320381. The next prime is 4430220320441. The reversal of 4430220320420 is 240230220344.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4430220320420.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 3093722 + ... + 4293198.

It is an arithmetic number, because the mean of its divisors is an integer number (195265422576).

Almost surely, 24430220320420 is an apocalyptic number.

It is an amenable number.

4430220320420 is an abundant number, since it is smaller than the sum of its proper divisors (4942519963228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4430220320420 is a wasteful number, since it uses less digits than its factorization.

4430220320420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1200860 (or 1200858 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 4430220320420 its reverse (240230220344), we get a palindrome (4670450540764).

The spelling of 4430220320420 in words is "four trillion, four hundred thirty billion, two hundred twenty million, three hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1223 1510 2446 3020 4892 6115 12230 24460 184673 369346 738692 923365 1199477 1846730 2398954 3693460 4797908 5997385 11994770 23989540 181121027 362242054 724484108 905605135 1466960371 1811210270 2933920742 3622420540 5867841484 7334801855 14669603710 29339207420 221511016021 443022032042 886044064084 1107555080105 2215110160210 4430220320420