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21320102310230 = 2523247711207751
BaseRepresentation
bin1001101100011111110010…
…00111111111000101010110
32210111011220120212010101102
410312033321013333011112
510243302032142411410
6113202153024030102
74330220003353613
oct466177107770526
983434816763342
1021320102310230
11687a893a38459
122483b8b162332
13bb8628027ca9
14539c8152150a
1526e8b89d62a5
hex1363f91ff156

21320102310230 has 96 divisors (see below), whose sum is σ = 41547905538048. Its totient is φ = 7871244920000.

The previous prime is 21320102310229. The next prime is 21320102310259. The reversal of 21320102310230 is 3201320102312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17048855 + ... + 18256605.

It is an arithmetic number, because the mean of its divisors is an integer number (432790682688).

Almost surely, 221320102310230 is an apocalyptic number.

21320102310230 is a deficient number, since it is larger than the sum of its proper divisors (20227803227818).

21320102310230 is a wasteful number, since it uses less digits than its factorization.

21320102310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1207922 (or 1207899 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21320102310230 its reverse (3201320102312), we get a palindrome (24521422412542).

The spelling of 21320102310230 in words is "twenty-one trillion, three hundred twenty billion, one hundred two million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 5 10 23 46 47 71 94 115 142 230 235 355 470 529 710 1058 1081 1633 2162 2645 3266 3337 5290 5405 6674 8165 10810 16330 16685 24863 33370 37559 49726 75118 76751 124315 153502 187795 248630 375590 383755 767510 1207751 1765273 2415502 3530546 6038755 8826365 12077510 17652730 27778273 55556546 56764297 85750321 113528594 138891365 171500642 277782730 283821485 428751605 567642970 638900279 857503210 1277800558 1305578831 1972257383 2611157662 3194501395 3944514766 4030265087 6389002790 6527894155 8060530174 9861286915 13055788310 19722573830 20151325435 30028313113 40302650870 45361919809 60056626226 90723839618 92696097001 150141565565 185392194002 226809599045 300283131130 453619198090 463480485005 926960970010 2132010231023 4264020462046 10660051155115 21320102310230