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1302130131330 = 2357103358116811
BaseRepresentation
bin10010111100101101000…
…000010000000110000010
311121111000200120100002010
4102330231000100012002
5132313230303200310
62434105035433350
7163034666331660
oct22745500200602
94544020510063
101302130131330
11462259570406
121904408b5856
1395a37504c92
1447048439c30
1523d10e40320
hex12f2d010182

1302130131330 has 128 divisors (see below), whose sum is σ = 3607453863936. Its totient is φ = 294640300800.

The previous prime is 1302130131329. The next prime is 1302130131347. The reversal of 1302130131330 is 331310312031.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1302130131297 and 1302130131306.

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, 77448625 + ... + 77465435.

It is an arithmetic number, because the mean of its divisors is an integer number (28183233312).

Almost surely, 21302130131330 is an apocalyptic number.

1302130131330 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 1302130131330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1803726931968).

1302130131330 is an abundant number, since it is smaller than the sum of its proper divisors (2305323732606).

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

1302130131330 is a wasteful number, since it uses less digits than its factorization.

1302130131330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20512.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 1302130131330 its reverse (331310312031), we get a palindrome (1633440443361).

The spelling of 1302130131330 in words is "one trillion, three hundred two billion, one hundred thirty million, one hundred thirty-one thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 103 105 206 210 309 515 618 721 1030 1442 1545 2163 3090 3581 3605 4326 7162 7210 10743 10815 16811 17905 21486 21630 25067 33622 35810 50134 50433 53715 75201 84055 100866 107430 117677 125335 150402 168110 235354 250670 252165 353031 368843 376005 504330 588385 706062 737686 752010 1106529 1176770 1731533 1765155 1844215 2213058 2581901 3463066 3530310 3688430 5163802 5194599 5532645 7745703 8657665 10389198 11065290 12120731 12909505 15491406 17315330 24241462 25819010 25972995 36362193 38728515 51945990 60200191 60603655 72724386 77457030 120400382 121207310 180600573 181810965 301000955 361201146 363621930 421401337 602001910 842802674 903002865 1264204011 1806005730 2107006685 2528408022 4214013370 6200619673 6321020055 12401239346 12642040110 18601859019 31003098365 37203718038 43404337711 62006196730 86808675422 93009295095 130213013133 186018590190 217021688555 260426026266 434043377110 651065065665 1302130131330