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2220442000321 = 17130614235313
BaseRepresentation
bin100000010011111100101…
…010000001101111000001
321212021100102100202011111
4200103330222001233001
5242334431123002241
64420020150043321
7316264423406446
oct40237452015701
97767312322144
102220442000321
11786758693426
122ba405649541
131315049b690c
14796818319cd
153cb5adcac81
hex204fca81bc1

2220442000321 has 4 divisors (see below), whose sum is σ = 2351056235652. Its totient is φ = 2089827764992.

The previous prime is 2220442000297. The next prime is 2220442000333. The reversal of 2220442000321 is 1230002440222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 761264975025 + 1459177025296 = 872505^2 + 1207964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2220442000321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2220442000292 and 2220442000301.

It is not an unprimeable number, because it can be changed into a prime (2220442010321) 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, 65307117640 + ... + 65307117673.

It is an arithmetic number, because the mean of its divisors is an integer number (587764058913).

Almost surely, 22220442000321 is an apocalyptic number.

It is an amenable number.

2220442000321 is a deficient number, since it is larger than the sum of its proper divisors (130614235331).

2220442000321 is a wasteful number, since it uses less digits than its factorization.

2220442000321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130614235330.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 2220442000321 its reverse (1230002440222), we get a palindrome (3450444440543).

The spelling of 2220442000321 in words is "two trillion, two hundred twenty billion, four hundred forty-two million, three hundred twenty-one", and thus it is an aban number.

Divisors: 1 17 130614235313 2220442000321