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9530449021 = 83114824687
BaseRepresentation
bin10001110000000111…
…10001110001111101
3220121012012222021101
420320003301301331
5124004243332041
64213410333101
7455113323442
oct107003616175
926535188241
109530449021
114050765455
121a1b88a191
13b8b636862
14665a559c9
153aba5bb31
hex2380f1c7d

9530449021 has 4 divisors (see below), whose sum is σ = 9645273792. Its totient is φ = 9415624252.

The previous prime is 9530449013. The next prime is 9530449063. The reversal of 9530449021 is 1209440359.

9530449021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9530449021 - 23 = 9530449013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9530449091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57412261 + ... + 57412426.

It is an arithmetic number, because the mean of its divisors is an integer number (2411318448).

Almost surely, 29530449021 is an apocalyptic number.

It is an amenable number.

9530449021 is a deficient number, since it is larger than the sum of its proper divisors (114824771).

9530449021 is a wasteful number, since it uses less digits than its factorization.

9530449021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114824770.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 9530449021 is about 97624.0186685633. The cubic root of 9530449021 is about 2120.1721277264.

The spelling of 9530449021 in words is "nine billion, five hundred thirty million, four hundred forty-nine thousand, twenty-one".

Divisors: 1 83 114824687 9530449021