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9904050073 = 37719738867
BaseRepresentation
bin10010011100101001…
…11100111110011001
3221120020012212120101
421032110330332121
5130240414100243
64314434055401
7500301015361
oct111624747631
927506185511
109904050073
11422263a455
121b04a1a561
13c1ab64278
1469d5079a1
153ce75854d
hex24e53cf99

9904050073 has 16 divisors (see below), whose sum is σ = 10421599104. Its totient is φ = 9402462720.

The previous prime is 9904050071. The next prime is 9904050089. The reversal of 9904050073 is 3700504099.

It is the 40629-th star number.

It is a cyclic number.

It is not a de Polignac number, because 9904050073 - 21 = 9904050071 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9904050071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 235386 + ... + 274252.

It is an arithmetic number, because the mean of its divisors is an integer number (651349944).

Almost surely, 29904050073 is an apocalyptic number.

It is an amenable number.

9904050073 is a deficient number, since it is larger than the sum of its proper divisors (517549031).

9904050073 is a wasteful number, since it uses less digits than its factorization.

9904050073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39072.

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 9904050073 is about 99519.0940121543. The cubic root of 9904050073 is about 2147.5219383541.

The spelling of 9904050073 in words is "nine billion, nine hundred four million, fifty thousand, seventy-three".

Divisors: 1 37 71 97 2627 3589 6887 38867 254819 1438079 2759557 3770099 102103609 139493663 267677029 9904050073