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90016850880000 = 293354116115527
BaseRepresentation
bin10100011101111010101110…
…011010111010011000000000
3102210201112020002222200012000
4110131322232122322120000
543244314002311130000
6515241100450304000
724650334323552652
oct2435725632723000
9383645202880160
1090016850880000
1126755a28650770
12a119a51288000
133b2c72512c645
141832ba5a666d2
15a61828dea000
hex51deae6ba600

90016850880000 has 1600 divisors, whose sum is σ = 369211412528640. Its totient is φ = 21463142400000.

The previous prime is 90016850879993. The next prime is 90016850880041. The reversal of 90016850880000 is 8805861009.

90016850880000 is a `hidden beast` number, since 9 + 0 + 0 + 1 + 68 + 508 + 80 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1600).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5797432237 + ... + 5797447763.

Almost surely, 290016850880000 is an apocalyptic number.

90016850880000 is a gapful number since it is divisible by the number (90) 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 90016850880000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184605706264320).

90016850880000 is an abundant number, since it is smaller than the sum of its proper divisors (279194561648640).

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

90016850880000 is a wasteful number, since it uses less digits than its factorization.

90016850880000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15646 (or 15609 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 45.

The spelling of 90016850880000 in words is "ninety trillion, sixteen billion, eight hundred fifty million, eight hundred eighty thousand".