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30223132020221 = 7195931133736749
BaseRepresentation
bin1101101111100110111110…
…00011000100110111111101
310222000022012000221211021012
412313303133003010313331
512430133433244121341
6144140152024445005
76236356246306340
oct667633703046775
9128008160854235
1030223132020221
1196a2616123438
123481541919765
1313b304bc9274a
14766b436c4457
1537628de3a0eb
hex1b7cdf0c4dfd

30223132020221 has 64 divisors (see below), whose sum is σ = 37204876800000. Its totient is φ = 23976535403520.

The previous prime is 30223132020203. The next prime is 30223132020241. The reversal of 30223132020221 is 12202023132203.

It is not a de Polignac number, because 30223132020221 - 230 = 30222058278397 is a prime.

It is a super-2 number, since 2×302231320202212 (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223132020241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 822402155 + ... + 822438903.

It is an arithmetic number, because the mean of its divisors is an integer number (581326200000).

Almost surely, 230223132020221 is an apocalyptic number.

It is an amenable number.

30223132020221 is a deficient number, since it is larger than the sum of its proper divisors (6981744779779).

30223132020221 is a wasteful number, since it uses less digits than its factorization.

30223132020221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37482.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 30223132020221 its reverse (12202023132203), we get a palindrome (42425155152424).

The spelling of 30223132020221 in words is "thirty trillion, two hundred twenty-three billion, one hundred thirty-two million, twenty thousand, two hundred twenty-one".

Divisors: 1 7 19 59 133 311 337 413 1121 2177 2359 5909 6403 7847 18349 19883 36749 41363 44821 104807 128443 139181 257243 348631 377777 698231 733649 1991333 2168191 2440417 2644439 4887617 6183613 11428939 12384413 13939331 15177337 41195629 43285291 80002573 86690891 117488647 217149841 235303847 288369403 674307401 730680367 822420529 1520048887 1647126929 3851552443 4720151807 5114762569 12811840619 13882926973 26960867101 73179496417 89682884333 97180488811 227241594137 512256474919 1590691158959 4317590288603 30223132020221