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921310102230 = 235729241762591
BaseRepresentation
bin11010110100000100101…
…11001000001011010110
310021002001200111102212220
431122002113020023112
5110043320341232410
61543124412523210
7123363631441320
oct15320227101326
93232050442786
10921310102230
113257a8597031
1212a680a80506
1368b576c7c5b
143283d69c610
1518e732d1070
hexd6825c82d6

921310102230 has 128 divisors (see below), whose sum is σ = 2615284039680. Its totient is φ = 203236239360.

The previous prime is 921310102213. The next prime is 921310102243. The reversal of 921310102230 is 32201013129.

It is a self number, because there is not a number n which added to its sum of digits gives 921310102230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14688235 + ... + 14750825.

It is an arithmetic number, because the mean of its divisors is an integer number (20431906560).

Almost surely, 2921310102230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 921310102230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1307642019840).

921310102230 is an abundant number, since it is smaller than the sum of its proper divisors (1693973937450).

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

921310102230 is a wasteful number, since it uses less digits than its factorization.

921310102230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65054.

The product of its (nonzero) digits is 648, while the sum is 24.

Adding to 921310102230 its reverse (32201013129), we get a palindrome (953511115359).

The spelling of 921310102230 in words is "nine hundred twenty-one billion, three hundred ten million, one hundred two thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 29 30 35 42 58 70 87 105 145 174 203 210 290 406 435 609 870 1015 1218 2030 2417 3045 4834 6090 7251 12085 14502 16919 24170 33838 36255 50757 62591 70093 72510 84595 101514 125182 140186 169190 187773 210279 253785 312955 350465 375546 420558 438137 490651 507570 625910 700930 876274 938865 981302 1051395 1314411 1471953 1815139 1877730 2102790 2190685 2453255 2628822 2943906 3630278 4381370 4906510 5445417 6572055 7359765 9075695 10890834 12705973 13144110 14719530 18151390 25411946 27227085 38117919 54454170 63529865 76235838 127059730 151282447 190589595 302564894 381179190 453847341 756412235 907694682 1058977129 1512824470 2117954258 2269236705 3176931387 4387190963 4538473410 5294885645 6353862774 8774381926 10589771290 13161572889 15884656935 21935954815 26323145778 30710336741 31769313870 43871909630 61420673482 65807864445 92131010223 131615728890 153551683705 184262020446 307103367410 460655051115 921310102230