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82745192844 = 22332393205687
BaseRepresentation
bin100110100001111111…
…1110111000110001100
321220120122200022122000
41031003333313012030
52323430232132334
6102002420352300
75656334351166
oct1150377670614
9256518608560
1082745192844
11321015600a6
1214053245690
137a58ab2892
14400d5b3936
1522444ce299
hex1343ff718c

82745192844 has 48 divisors (see below), whose sum is σ = 215422233600. Its totient is φ = 27466317648.

The previous prime is 82745192801. The next prime is 82745192851. The reversal of 82745192844 is 44829154728.

82745192844 is a `hidden beast` number, since 8 + 27 + 451 + 92 + 84 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1577032 + ... + 1628655.

It is an arithmetic number, because the mean of its divisors is an integer number (4487963200).

Almost surely, 282745192844 is an apocalyptic number.

It is an amenable number.

82745192844 is an abundant number, since it is smaller than the sum of its proper divisors (132677040756).

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

82745192844 is a wasteful number, since it uses less digits than its factorization.

82745192844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3205939 (or 3205931 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 82745192844 in words is "eighty-two billion, seven hundred forty-five million, one hundred ninety-two thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 239 478 717 956 1434 2151 2868 4302 6453 8604 12906 25812 3205687 6411374 9617061 12822748 19234122 28851183 38468244 57702366 86553549 115404732 173107098 346214196 766159193 1532318386 2298477579 3064636772 4596955158 6895432737 9193910316 13790865474 20686298211 27581730948 41372596422 82745192844