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162385047397 = 295599484393
BaseRepresentation
bin1001011100111011100…
…1110010111101100101
3120112010220010002221201
42113032321302331211
510130031033004042
6202333151042501
714506024062106
oct2271671627545
9515126102851
10162385047397
116295a142611
122757a510431
131240b41b681
147c065a03ad
15435605d1b7
hex25cee72f65

162385047397 has 4 divisors (see below), whose sum is σ = 167984531820. Its totient is φ = 156785562976.

The previous prime is 162385047361. The next prime is 162385047413. The reversal of 162385047397 is 793740583261.

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 80882791201 + 81502256196 = 284399^2 + 285486^2 .

It is a cyclic number.

It is not a de Polignac number, because 162385047397 - 235 = 128025309029 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 (162385047317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2799742168 + ... + 2799742225.

It is an arithmetic number, because the mean of its divisors is an integer number (41996132955).

It is a 1-persistent number, because it is pandigital, but 2⋅162385047397 = 324770094794 is not.

Almost surely, 2162385047397 is an apocalyptic number.

It is an amenable number.

162385047397 is a deficient number, since it is larger than the sum of its proper divisors (5599484423).

162385047397 is an equidigital number, since it uses as much as digits as its factorization.

162385047397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599484422.

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 162385047397 in words is "one hundred sixty-two billion, three hundred eighty-five million, forty-seven thousand, three hundred ninety-seven".

Divisors: 1 29 5599484393 162385047397