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9408331013 = 13768673949
BaseRepresentation
bin10001100001100011…
…11011110100000101
3220021200102201212012
420300301323310011
5123232013043023
64153325104005
7452101331324
oct106061736405
926250381765
109408331013
113a98837384
1219a69b8005
13b6c24a893
146537480bb
153a0e88978
hex230c7bd05

9408331013 has 4 divisors (see below), whose sum is σ = 9477005100. Its totient is φ = 9339656928.

The previous prime is 9408331007. The next prime is 9408331021. The reversal of 9408331013 is 3101338049.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3101338049 = 29531050233.

It can be written as a sum of positive squares in 2 ways, for example, as 2731316644 + 6677014369 = 52262^2 + 81713^2 .

It is a cyclic number.

It is not a de Polignac number, because 9408331013 - 210 = 9408329989 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 (9408333013) 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, 34336838 + ... + 34337111.

It is an arithmetic number, because the mean of its divisors is an integer number (2369251275).

Almost surely, 29408331013 is an apocalyptic number.

It is an amenable number.

9408331013 is a deficient number, since it is larger than the sum of its proper divisors (68674087).

9408331013 is a wasteful number, since it uses less digits than its factorization.

9408331013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68674086.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 9408331013 is about 96996.5515521042. The cubic root of 9408331013 is about 2111.0775934431.

The spelling of 9408331013 in words is "nine billion, four hundred eight million, three hundred thirty-one thousand, thirteen".

Divisors: 1 137 68673949 9408331013