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2443223111401 = 1728454059209
BaseRepresentation
bin100011100011011011011…
…100100001011011101001
322122120101102022210002201
4203203123130201123221
5310012210104031101
65110222354300201
7341342226535102
oct43433334413351
98576342283081
102443223111401
1186218a82a556
1233561a587661
13149519926177
14863773033a9
1543849323e01
hex238db7216e9

2443223111401 has 6 divisors (see below), whose sum is σ = 2595396177470. Its totient is φ = 2299504104576.

The previous prime is 2443223111347. The next prime is 2443223111419. The reversal of 2443223111401 is 1041113223442.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 693515866176 + 1749707245225 = 832776^2 + 1322765^2 .

It is not a de Polignac number, because 2443223111401 - 217 = 2443222980329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2443223111401.

It is not an unprimeable number, because it can be changed into a prime (2443223111431) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4227029316 + ... + 4227029893.

Almost surely, 22443223111401 is an apocalyptic number.

It is an amenable number.

2443223111401 is a deficient number, since it is larger than the sum of its proper divisors (152173066069).

2443223111401 is an equidigital number, since it uses as much as digits as its factorization.

2443223111401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8454059243 (or 8454059226 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 2443223111401 its reverse (1041113223442), we get a palindrome (3484336334843).

The spelling of 2443223111401 in words is "two trillion, four hundred forty-three billion, two hundred twenty-three million, one hundred eleven thousand, four hundred one".

Divisors: 1 17 289 8454059209 143719006553 2443223111401