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21222023303110 = 2572166567260017
BaseRepresentation
bin1001101001101001000110…
…01010010000111111000110
32210010210202021220022222011
410310310203022100333012
510240200200431144420
6113045132442324434
74320145343510500
oct464644312207706
983123667808864
1021222023303110
116842233996783
122468b787b971a
13bac2c74bc436
14535219670d70
1526c07825495a
hex134d23290fc6

21222023303110 has 48 divisors (see below), whose sum is σ = 44436755857824. Its totient is φ = 7276050609408.

The previous prime is 21222023303083. The next prime is 21222023303149. The reversal of 21222023303110 is 1130332022212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81487822 + ... + 81747838.

It is an arithmetic number, because the mean of its divisors is an integer number (925765747038).

Almost surely, 221222023303110 is an apocalyptic number.

21222023303110 is an abundant number, since it is smaller than the sum of its proper divisors (23214732554714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21222023303110 is a wasteful number, since it uses less digits than its factorization.

21222023303110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426605 (or 426598 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21222023303110 its reverse (1130332022212), we get a palindrome (22352355325322).

The spelling of 21222023303110 in words is "twenty-one trillion, two hundred twenty-two billion, twenty-three million, three hundred three thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 166567 260017 333134 520034 832835 1165969 1300085 1665670 1820119 2331938 2600170 3640238 5829845 8161783 9100595 11659690 12740833 16323566 18201190 25481666 40808915 63704165 81617830 127408330 43310251639 86620503278 216551258195 303171761473 433102516390 606343522946 1515858807365 2122202330311 3031717614730 4244404660622 10611011651555 21222023303110