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2194052175168 = 263719533316111
BaseRepresentation
bin11111111011010111101…
…100110101010101000000
321202202020021020201122220
4133323113230311111000
5241421404324101133
64355533400331040
7314341441530630
oct37732754652500
97682207221586
102194052175168
11776546288177
122b527b773a80
1312bb8a554c69
147829aa646c0
153c1141c35b3
hex1fed7b35540

2194052175168 has 224 divisors, whose sum is σ = 6985317642240. Its totient is φ = 593730570240.

The previous prime is 2194052175121. The next prime is 2194052175173. The reversal of 2194052175168 is 8615712504912.

It is a tau number, because it is divible by the number of its divisors (224).

It is a self number, because there is not a number n which added to its sum of digits gives 2194052175168.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136175433 + ... + 136191543.

It is an arithmetic number, because the mean of its divisors is an integer number (31184453760).

Almost surely, 22194052175168 is an apocalyptic number.

2194052175168 is a gapful number since it is divisible by the number (28) 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 2194052175168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3492658821120).

2194052175168 is an abundant number, since it is smaller than the sum of its proper divisors (4791265467072).

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

2194052175168 is a wasteful number, since it uses less digits than its factorization.

2194052175168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21485 (or 21475 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 51.

The spelling of 2194052175168 in words is "two trillion, one hundred ninety-four billion, fifty-two million, one hundred seventy-five thousand, one hundred sixty-eight".