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2221301313 = 347112912281
BaseRepresentation
bin1000010001100110…
…0101111001000001
312201210202210120000
42010121211321001
514022123120223
61004230110213
7106021515060
oct20431457101
95653683500
102221301313
11a3a959610
1251baab369
1329527c19a
141710241d7
15d0028543
hex84665e41

2221301313 has 80 divisors (see below), whose sum is σ = 4280031360. Its totient is φ = 1114041600.

The previous prime is 2221301309. The next prime is 2221301359. The reversal of 2221301313 is 3131031222.

2221301313 is a `hidden beast` number, since 222 + 130 + 1 + 313 = 666.

It is not a de Polignac number, because 2221301313 - 22 = 2221301309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2221301363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 174733 + ... + 187013.

It is an arithmetic number, because the mean of its divisors is an integer number (53500392).

Almost surely, 22221301313 is an apocalyptic number.

It is an amenable number.

2221301313 is a deficient number, since it is larger than the sum of its proper divisors (2058730047).

2221301313 is a wasteful number, since it uses less digits than its factorization.

2221301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12340 (or 12331 counting only the distinct ones).

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

The square root of 2221301313 is about 47130.6833495972. The cubic root of 2221301313 is about 1304.7755935974.

Adding to 2221301313 its reverse (3131031222), we get a palindrome (5352332535).

The spelling of 2221301313 in words is "two billion, two hundred twenty-one million, three hundred one thousand, three hundred thirteen".

Divisors: 1 3 7 9 11 21 27 29 33 63 77 81 87 99 189 203 231 261 297 319 567 609 693 783 891 957 1827 2079 2233 2349 2871 5481 6237 6699 8613 12281 16443 20097 25839 36843 60291 85967 110529 135091 180873 257901 331587 356149 405273 773703 945637 994761 1068447 1215819 2321109 2493043 2836911 3205341 3647457 3917639 6963327 7479129 8510733 9616023 10942371 11752917 22437387 25532199 27423473 28848069 35258751 67312161 76596597 82270419 105776253 201936483 246811257 317328759 740433771 2221301313