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30221020330101 = 3641455446269
BaseRepresentation
bin1101101111100011000010…
…01011100111100001110101
310222000002201212102212000000
412313301201023213201311
512430120122201030401
6144135202311541513
76236253025243356
oct667614113474165
9128002655385000
1030221020330101
1196a1732130397
12348105268a899
1313b2aa3640973
147669c3073d2d
153761b8864186
hex1b7c612e7875

30221020330101 has 14 divisors (see below), whose sum is σ = 45310802773110. Its totient is φ = 20147346886248.

The previous prime is 30221020330079. The next prime is 30221020330103. The reversal of 30221020330101 is 10103302012203.

30221020330101 is a `hidden beast` number, since 3 + 0 + 2 + 210 + 20 + 330 + 101 = 666.

It can be written as a sum of positive squares in only one way, i.e., 29909796930225 + 311223399876 = 5468985^2 + 557874^2 .

It is not a de Polignac number, because 30221020330101 - 25 = 30221020330069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221020330103) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 20727722406 + ... + 20727723863.

It is an arithmetic number, because the mean of its divisors is an integer number (3236485912365).

Almost surely, 230221020330101 is an apocalyptic number.

It is an amenable number.

30221020330101 is a deficient number, since it is larger than the sum of its proper divisors (15089782443009).

30221020330101 is an frugal number, since it uses more digits than its factorization.

30221020330101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41455446287 (or 41455446272 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 30221020330101 its reverse (10103302012203), we get a palindrome (40324322342304).

The spelling of 30221020330101 in words is "thirty trillion, two hundred twenty-one billion, twenty million, three hundred thirty thousand, one hundred one".

Divisors: 1 3 9 27 81 243 729 41455446269 124366338807 373099016421 1119297049263 3357891147789 10073673443367 30221020330101