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9380485993 = 67421139133
BaseRepresentation
bin10001011110001111…
…01101101101101001
3220012202001001200011
420233013231231221
5123202401022433
64150452211521
7451312546444
oct105707555551
926182031604
109380485993
113a84048a6a
121999609ba1
13b6654b738
1464db7a65b
1539d7d83cd
hex22f1edb69

9380485993 has 4 divisors (see below), whose sum is σ = 9380692548. Its totient is φ = 9380279440.

The previous prime is 9380485973. The next prime is 9380486021. The reversal of 9380485993 is 3995840839.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8319811369 + 1060674624 = 91213^2 + 32568^2 .

It is a cyclic number.

It is not a de Polignac number, because 9380485993 - 213 = 9380477801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9380485903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2146 + ... + 136987.

It is an arithmetic number, because the mean of its divisors is an integer number (2345173137).

Almost surely, 29380485993 is an apocalyptic number.

It is an amenable number.

9380485993 is a deficient number, since it is larger than the sum of its proper divisors (206555).

9380485993 is a wasteful number, since it uses less digits than its factorization.

9380485993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206554.

The product of its (nonzero) digits is 8398080, while the sum is 58.

The square root of 9380485993 is about 96852.9090580144. The cubic root of 9380485993 is about 2108.9928777830.

The spelling of 9380485993 in words is "nine billion, three hundred eighty million, four hundred eighty-five thousand, nine hundred ninety-three".

Divisors: 1 67421 139133 9380485993