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7065306041 = 47969147289
BaseRepresentation
bin1101001010010000…
…00000001110111001
3200020101121201211112
412211020000032321
5103432204243131
63125030010105
7340041052613
oct64510001671
920211551745
107065306041
112aa61aa002
1214521a6935
138879c0081
144b04b9db3
152b541902b
hex1a52003b9

7065306041 has 4 divisors (see below), whose sum is σ = 7065501300. Its totient is φ = 7065110784.

The previous prime is 7065306013. The next prime is 7065306091. The reversal of 7065306041 is 1406035607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1406035607 = 12131159139.

It can be written as a sum of positive squares in 2 ways, for example, as 4761690025 + 2303616016 = 69005^2 + 47996^2 .

It is a cyclic number.

It is not a de Polignac number, because 7065306041 - 26 = 7065305977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7065305989 and 7065306007.

It is not an unprimeable number, because it can be changed into a prime (7065306091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25676 + ... + 121613.

It is an arithmetic number, because the mean of its divisors is an integer number (1766375325).

Almost surely, 27065306041 is an apocalyptic number.

It is an amenable number.

7065306041 is a deficient number, since it is larger than the sum of its proper divisors (195259).

7065306041 is a wasteful number, since it uses less digits than its factorization.

7065306041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195258.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 7065306041 is about 84055.3748489649. The cubic root of 7065306041 is about 1918.8616335917.

The spelling of 7065306041 in words is "seven billion, sixty-five million, three hundred six thousand, forty-one".

Divisors: 1 47969 147289 7065306041