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2216798744980 = 225193727789959
BaseRepresentation
bin100000010000100011100…
…000000111000110010100
321211220221111221012101111
4200100203200013012110
5242310000434314410
64414214442304404
7316105224300661
oct40204340070624
97756844835344
102216798744980
117851591107a6
122b97694b8104
13131073c70321
1479417a22a68
153c9e6122b8a
hex20423807194

2216798744980 has 48 divisors (see below), whose sum is σ = 4685840490240. Its totient is φ = 880910604288.

The previous prime is 2216798744959. The next prime is 2216798744989. The reversal of 2216798744980 is 894478976122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216798744989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2411241 + ... + 3201199.

It is an arithmetic number, because the mean of its divisors is an integer number (97621676880).

Almost surely, 22216798744980 is an apocalyptic number.

2216798744980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2216798744980 is an abundant number, since it is smaller than the sum of its proper divisors (2469041745260).

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

2216798744980 is a wasteful number, since it uses less digits than its factorization.

2216798744980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790888 (or 790886 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 67.

The spelling of 2216798744980 in words is "two trillion, two hundred sixteen billion, seven hundred ninety-eight million, seven hundred forty-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 193 386 727 772 965 1454 1930 2908 3635 3860 7270 14540 140311 280622 561244 701555 789959 1403110 1579918 2806220 3159836 3949795 7899590 15799180 152462087 304924174 574300193 609848348 762310435 1148600386 1524620870 2297200772 2871500965 3049241740 5743001930 11486003860 110839937249 221679874498 443359748996 554199686245 1108399372490 2216798744980