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2216079613440 = 293357211173499
BaseRepresentation
bin100000001111111000101…
…000110101111000000000
321211212002101202112101000
4200033320220311320000
5242302012340112230
64414015233012000
7316051342625400
oct40177050657000
97755071675330
102216079613440
1178491a194610
122b95a86b4000
13130c8ac92bc4
147938a308800
153c9a2e21b60
hex203f8a35e00

2216079613440 has 1920 divisors, whose sum is σ = 10579947840000. Its totient is φ = 433272913920.

The previous prime is 2216079613421. The next prime is 2216079613441. The reversal of 2216079613440 is 443169706122.

2216079613440 is a `hidden beast` number, since 2 + 2 + 1 + 607 + 9 + 6 + 1 + 34 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a super-2 number, since 2×22160796134402 (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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2216079613441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 633344811 + ... + 633348309.

It is an arithmetic number, because the mean of its divisors is an integer number (5510389500).

Almost surely, 22216079613440 is an apocalyptic number.

2216079613440 is a gapful number since it is divisible by the number (20) 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 2216079613440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5289973920000).

2216079613440 is an abundant number, since it is smaller than the sum of its proper divisors (8363868226560).

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

2216079613440 is a wasteful number, since it uses less digits than its factorization.

2216079613440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3573 (or 3544 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 2216079613440 in words is "two trillion, two hundred sixteen billion, seventy-nine million, six hundred thirteen thousand, four hundred forty".