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82192347840 = 2635349245321
BaseRepresentation
bin100110010001100001…
…0111011001011000000
321212011010101212212010
41030203002323023000
52321312220112330
6101431511132520
75636542300161
oct1144302731300
9255133355763
1082192347840
113194848a4a9
1213b1a074140
13799b3b7465
143d99dc3768
152210bc83b0
hex13230bb2c0

82192347840 has 112 divisors (see below), whose sum is σ = 261709509600. Its totient is φ = 21855068160.

The previous prime is 82192347647. The next prime is 82192347863. The reversal of 82192347840 is 4874329128.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 82192347840.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 212380 + ... + 457700.

It is an arithmetic number, because the mean of its divisors is an integer number (2336692050).

Almost surely, 282192347840 is an apocalyptic number.

82192347840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82192347840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130854754800).

82192347840 is an abundant number, since it is smaller than the sum of its proper divisors (179517161760).

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

82192347840 is a wasteful number, since it uses less digits than its factorization.

82192347840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245690 (or 245680 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 48.

The spelling of 82192347840 in words is "eighty-two billion, one hundred ninety-two million, three hundred forty-seven thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 349 480 698 960 1047 1396 1745 2094 2792 3490 4188 5235 5584 6980 8376 10470 11168 13960 16752 20940 22336 27920 33504 41880 55840 67008 83760 111680 167520 245321 335040 490642 735963 981284 1226605 1471926 1962568 2453210 2943852 3679815 3925136 4906420 5887704 7359630 7850272 9812840 11775408 14719260 15700544 19625680 23550816 29438520 39251360 47101632 58877040 78502720 85617029 117754080 171234058 235508160 256851087 342468116 428085145 513702174 684936232 856170290 1027404348 1284255435 1369872464 1712340580 2054808696 2568510870 2739744928 3424681160 4109617392 5137021740 5479489856 6849362320 8219234784 10274043480 13698724640 16438469568 20548086960 27397449280 41096173920 82192347840