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1331310201210 = 234511421354911
BaseRepresentation
bin10011010111111000010…
…001011000100101111010
311201021100022000110210000
4103113320101120211322
5133303010402414320
62455332341533430
7165120051666003
oct23277021304572
94637308013700
101331310201210
114736729a0840
12196025114276
1398707a59812
1448615a0c1aa
152496caa6c90
hex135f845897a

1331310201210 has 160 divisors (see below), whose sum is σ = 3914463573504. Its totient is φ = 321974352000.

The previous prime is 1331310201187. The next prime is 1331310201241. The reversal of 1331310201210 is 121020131331.

1331310201210 is a `hidden beast` number, since 1 + 331 + 310 + 2 + 0 + 1 + 21 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3573655 + ... + 3928565.

Almost surely, 21331310201210 is an apocalyptic number.

1331310201210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1331310201210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1957231786752).

1331310201210 is an abundant number, since it is smaller than the sum of its proper divisors (2583153372294).

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

1331310201210 is a wasteful number, since it uses less digits than its factorization.

1331310201210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355362 (or 355353 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1331310201210 its reverse (121020131331), we get a palindrome (1452330332541).

The spelling of 1331310201210 in words is "one trillion, three hundred thirty-one billion, three hundred ten million, two hundred one thousand, two hundred ten".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 27 30 33 45 54 55 66 81 90 99 110 135 162 165 198 270 297 330 405 421 495 594 810 842 891 990 1263 1485 1782 2105 2526 2970 3789 4210 4455 4631 6315 7578 8910 9262 11367 12630 13893 18945 22734 23155 27786 34101 37890 41679 46310 56835 68202 69465 83358 113670 125037 138930 170505 208395 250074 341010 354911 375111 416790 625185 709822 750222 1064733 1250370 1774555 1875555 2129466 3194199 3549110 3751110 3904021 5323665 6388398 7808042 9582597 10647330 11712063 15970995 19165194 19520105 23424126 28747791 31941990 35136189 39040210 47912985 57495582 58560315 70272378 95825970 105408567 117120630 143738955 149417531 175680945 210817134 287477910 298835062 316225701 351361890 448252593 527042835 632451402 747087655 896505186 1054085670 1344757779 1494175310 1581128505 1643592841 2241262965 2689515558 3162257010 3287185682 4034273337 4482525930 4930778523 6723788895 8068546674 8217964205 9861557046 12102820011 13447577790 14792335569 16435928410 20171366685 24205640022 24653892615 29584671138 40342733370 44377006707 49307785230 60514100055 73961677845 88754013414 121028200110 133131020121 147923355690 221885033535 266262040242 443770067070 665655100605 1331310201210