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66130341 = 3181121787
BaseRepresentation
bin1111110001000…
…1000110100101
311121102202202220
43330101012211
5113412132331
610321222553
71432045554
oct374210645
9147382686
1066130341
1134368782
121a191a59
13109153a4
148ad5d9b
155c14296
hex3f111a5

66130341 has 8 divisors (see below), whose sum is σ = 88661664. Its totient is φ = 43842960.

The previous prime is 66130331. The next prime is 66130373. The reversal of 66130341 is 14303166.

66130341 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66130341 - 27 = 66130213 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66130301) 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 7 ways as a sum of consecutive naturals, for example, 60351 + ... + 61436.

It is an arithmetic number, because the mean of its divisors is an integer number (11082708).

Almost surely, 266130341 is an apocalyptic number.

It is an amenable number.

66130341 is a deficient number, since it is larger than the sum of its proper divisors (22531323).

66130341 is a wasteful number, since it uses less digits than its factorization.

66130341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121971.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 66130341 is about 8132.0563819983. The cubic root of 66130341 is about 404.3898570619.

The spelling of 66130341 in words is "sixty-six million, one hundred thirty thousand, three hundred forty-one".

Divisors: 1 3 181 543 121787 365361 22043447 66130341