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1021103133223 = 233725112593797
BaseRepresentation
bin11101101101111100111…
…11010101001000100111
310121121122102200200000211
432312332133111020213
5113212204400230343
62101031023520251
7133525613265535
oct16667637251047
93547572620024
101021103133223
1136405810a268
12145a91459087
137539c380314
14375c9045155
151b86428679d
hexedbe7d5227

1021103133223 has 32 divisors (see below), whose sum is σ = 1099818155520. Its totient is φ = 945522864000.

The previous prime is 1021103133161. The next prime is 1021103133227. The reversal of 1021103133223 is 3223313011201.

It is a de Polignac number, because none of the positive numbers 2k-1021103133223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021103133194 and 1021103133203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021103133227) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268921761 + ... + 268925557.

It is an arithmetic number, because the mean of its divisors is an integer number (34369317360).

Almost surely, 21021103133223 is an apocalyptic number.

1021103133223 is a deficient number, since it is larger than the sum of its proper divisors (78715022297).

1021103133223 is a wasteful number, since it uses less digits than its factorization.

1021103133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5367.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 1021103133223 its reverse (3223313011201), we get a palindrome (4244416144424).

The spelling of 1021103133223 in words is "one trillion, twenty-one billion, one hundred three million, one hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 23 37 251 851 1259 3797 5773 9287 28957 46583 87331 140489 213601 316009 953047 1071409 3231247 4780423 7268207 11692333 21920081 35262739 109949729 176875651 268923659 811042997 1199886173 4068139973 27597381979 44395788401 1021103133223