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2223333242640 = 243253087962837
BaseRepresentation
bin100000010110101000111…
…111001111011100010000
321212112210220202002000100
4200112220333033130100
5242411341302231030
64421215111252400
7316426161513366
oct40265077173420
97775726662010
102223333242640
11787a01720594
122baa9197a100
131318759ac3a3
1479877807636
153cc79b3a360
hex205a8fcf710

2223333242640 has 60 divisors (see below), whose sum is σ = 7466694142284. Its totient is φ = 592888864512.

The previous prime is 2223333242591. The next prime is 2223333242659. The reversal of 2223333242640 is 462423333222.

2223333242640 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 3 + 3 + 3 + 2 + 4 + 2 + 640 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1191337322256 + 1031995920384 = 1091484^2 + 1015872^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×22233332426402 (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 2223333242595 and 2223333242604.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1543980699 + ... + 1543982138.

Almost surely, 22223333242640 is an apocalyptic number.

2223333242640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2223333242640 is an abundant number, since it is smaller than the sum of its proper divisors (5243360899644).

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

2223333242640 is a wasteful number, since it uses less digits than its factorization.

2223333242640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3087962856 (or 3087962847 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 36.

Adding to 2223333242640 its reverse (462423333222), we get a palindrome (2685756575862).

The spelling of 2223333242640 in words is "two trillion, two hundred twenty-three billion, three hundred thirty-three million, two hundred forty-two thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 240 360 720 3087962837 6175925674 9263888511 12351851348 15439814185 18527777022 24703702696 27791665533 30879628370 37055554044 46319442555 49407405392 55583331066 61759256740 74111108088 92638885110 111166662132 123518513480 138958327665 148222216176 185277770220 222333324264 247037026960 277916655330 370555540440 444666648528 555833310660 741111080880 1111666621320 2223333242640