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90052320850 = 2521801046417
BaseRepresentation
bin101001111011110001…
…0010101111001010010
322121102220022212211121
41103313202111321102
52433411343231400
6105211445432454
76335403045322
oct1236742257122
9277386285747
1090052320850
1135211207568
121555240b72a
138651910b6b
144503c3b282
152520c6421a
hex14f7895e52

90052320850 has 12 divisors (see below), whose sum is σ = 167497316874. Its totient is φ = 36020928320.

The previous prime is 90052320811. The next prime is 90052320851. The reversal of 90052320850 is 5802325009.

It can be written as a sum of positive squares in 3 ways, for example, as 49683072609 + 40369248241 = 222897^2 + 200921^2 .

It is not an unprimeable number, because it can be changed into a prime (90052320851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 900523159 + ... + 900523258.

Almost surely, 290052320850 is an apocalyptic number.

90052320850 is a deficient number, since it is larger than the sum of its proper divisors (77444996024).

90052320850 is a wasteful number, since it uses less digits than its factorization.

90052320850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801046429 (or 1801046424 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

Adding to 90052320850 its reverse (5802325009), we get a palindrome (95854645859).

The spelling of 90052320850 in words is "ninety billion, fifty-two million, three hundred twenty thousand, eight hundred fifty".

Divisors: 1 2 5 10 25 50 1801046417 3602092834 9005232085 18010464170 45026160425 90052320850