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30221021021303 = 723373271828361
BaseRepresentation
bin1101101111100011000010…
…01110010000010001110111
310222000002201220201222011002
412313301201032100101313
512430120122340140203
6144135202334433515
76236253034152500
oct667614116202167
9128002656658132
1030221021021303
1196a1732562732
12348105296289b
1313b2aa3823468
147669c31b3ba7
153761b894dd88
hex1b7c61390477

30221021021303 has 12 divisors (see below), whose sum is σ = 35155188713952. Its totient is φ = 25903641345120.

The previous prime is 30221021021227. The next prime is 30221021021339. The reversal of 30221021021303 is 30312012012203.

It is not a de Polignac number, because 30221021021303 - 28 = 30221021021047 is a prime.

It is a super-2 number, since 2×302210210213032 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221021021363) 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 11 ways as a sum of consecutive naturals, for example, 15614843 + ... + 17443203.

It is an arithmetic number, because the mean of its divisors is an integer number (2929599059496).

Almost surely, 230221021021303 is an apocalyptic number.

30221021021303 is a deficient number, since it is larger than the sum of its proper divisors (4934167692649).

30221021021303 is a wasteful number, since it uses less digits than its factorization.

30221021021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165702 (or 2165695 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30221021021303 its reverse (30312012012203), we get a palindrome (60533033033506).

The spelling of 30221021021303 in words is "thirty trillion, two hundred twenty-one billion, twenty-one million, twenty-one thousand, three hundred three".

Divisors: 1 7 49 337327 1828361 2361289 12798527 16529023 89589689 616755531047 4317288717329 30221021021303