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842081830380 = 22345774257657
BaseRepresentation
bin11000100000011111111…
…11010000010111101100
32222111120010112012220000
430100033333100113230
5102244040422033010
61442502544024300
7114560400313110
oct14201777202754
92874503465800
10842081830380
112a514127080a
1211724b602090
136153c42781b
142ca8520d740
1516d879527c0
hexc40ffd05ec

842081830380 has 120 divisors (see below), whose sum is σ = 3019019343648. Its totient is φ = 192475844352.

The previous prime is 842081830361. The next prime is 842081830411. The reversal of 842081830380 is 83038180248.

It is a super-2 number, since 2×8420818303802 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 37117489 + ... + 37140168.

Almost surely, 2842081830380 is an apocalyptic number.

It is an amenable number.

842081830380 is an abundant number, since it is smaller than the sum of its proper divisors (2176937513268).

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

842081830380 is a wasteful number, since it uses less digits than its factorization.

842081830380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74257685 (or 74257674 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 842081830380 in words is "eight hundred forty-two billion, eighty-one million, eight hundred thirty thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 81 84 90 105 108 126 135 140 162 180 189 210 252 270 315 324 378 405 420 540 567 630 756 810 945 1134 1260 1620 1890 2268 2835 3780 5670 11340 74257657 148515314 222772971 297030628 371288285 445545942 519803599 668318913 742576570 891091884 1039607198 1113864855 1336637826 1485153140 1559410797 2004956739 2079214396 2227729710 2599017995 2673275652 3118821594 3341594565 4009913478 4455459420 4678232391 5198035990 6014870217 6237643188 6683189130 7797053985 8019826956 9356464782 10024783695 10396071980 12029740434 13366378260 14034697173 15594107970 18712929564 20049567390 23391161955 24059480868 28069394346 30074351085 31188215940 40099134780 42104091519 46782323910 56138788692 60148702170 70173485865 84208183038 93564647820 120297404340 140346971730 168416366076 210520457595 280693943460 421040915190 842081830380