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2206169696640 = 2735721321967109
BaseRepresentation
bin100000000110101001111…
…101100000100110000000
321210220111202111121011110
4200012221331200212000
5242121213420243030
64405300025043320
7315250641003600
oct40065175404600
97726452447143
102206169696640
117806a4308428
122b76a1926540
1313006bb56500
1478aca114c00
153c5c2e0a1b0
hex201a9f60980

2206169696640 has 2304 divisors, whose sum is σ = 9550122912000. Its totient is φ = 430411677696.

The previous prime is 2206169696611. The next prime is 2206169696729. The reversal of 2206169696640 is 466969616022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 20240088906 + ... + 20240089014.

It is an arithmetic number, because the mean of its divisors is an integer number (4145018625).

Almost surely, 22206169696640 is an apocalyptic number.

2206169696640 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 2206169696640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4775061456000).

2206169696640 is an abundant number, since it is smaller than the sum of its proper divisors (7343953215360).

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

2206169696640 is a wasteful number, since it uses less digits than its factorization.

2206169696640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 57.

The spelling of 2206169696640 in words is "two trillion, two hundred six billion, one hundred sixty-nine million, six hundred ninety-six thousand, six hundred forty".