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204394044060 = 223453122318251
BaseRepresentation
bin1011111001011011010…
…1011001101010011100
3201112120120110020210000
42332112311121222130
511322044333402220
6233521453414300
720524034465043
oct2762665315234
9645516406700
10204394044060
1179757122578
123374319a390
131637477824b
149c6d8c955a
1554b40d3390
hex2f96d59a9c

204394044060 has 240 divisors, whose sum is σ = 664879767552. Its totient is φ = 52507440000.

The previous prime is 204394044059. The next prime is 204394044079. The reversal of 204394044060 is 60440493402.

204394044060 is a `hidden beast` number, since 204 + 3 + 9 + 4 + 0 + 440 + 6 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11189935 + ... + 11208185.

Almost surely, 2204394044060 is an apocalyptic number.

204394044060 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 204394044060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332439883776).

204394044060 is an abundant number, since it is smaller than the sum of its proper divisors (460485723492).

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

204394044060 is a wasteful number, since it uses less digits than its factorization.

204394044060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18526 (or 18515 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 204394044060 in words is "two hundred four billion, three hundred ninety-four million, forty-four thousand, sixty".