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2220440303401 = 11118719970323
BaseRepresentation
bin100000010011111100100…
…011100011011100101001
321212021100022011112102121
4200103330203203130221
5242334430204202101
64420020045431241
7316264403111245
oct40237443433451
97767308145377
102220440303401
11786757734511
122ba404b6b521
13131504541418
147968150d425
153cb5ab930a1
hex204fc8e3729

2220440303401 has 4 divisors (see below), whose sum is σ = 2220460384912. Its totient is φ = 2220420221892.

The previous prime is 2220440303387. The next prime is 2220440303567. The reversal of 2220440303401 is 1043030440222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2220440303401 - 25 = 2220440303369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220440603401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9873975 + ... + 10096348.

It is an arithmetic number, because the mean of its divisors is an integer number (555115096228).

Almost surely, 22220440303401 is an apocalyptic number.

It is an amenable number.

2220440303401 is a deficient number, since it is larger than the sum of its proper divisors (20081511).

2220440303401 is a wasteful number, since it uses less digits than its factorization.

2220440303401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20081510.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 2220440303401 its reverse (1043030440222), we get a palindrome (3263470743623).

The spelling of 2220440303401 in words is "two trillion, two hundred twenty billion, four hundred forty million, three hundred three thousand, four hundred one".

Divisors: 1 111187 19970323 2220440303401