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385234589413 = 793748536549
BaseRepresentation
bin1011001101100011100…
…01010101011011100101
31100211100122211210111001
411212301301111123211
522302430023330123
6452550242113301
736555320660512
oct5466161253345
91324318753431
10385234589413
11139416978933
12627b234b831
132a43459a4bb
14149071a6309
15a04a4c20ad
hex59b1c556e5

385234589413 has 4 divisors (see below), whose sum is σ = 385283133900. Its totient is φ = 385186044928.

The previous prime is 385234589387. The next prime is 385234589431. The reversal of 385234589413 is 314985432583.

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 335452947489 + 49781641924 = 579183^2 + 223118^2 .

It is a cyclic number.

It is not a de Polignac number, because 385234589413 - 25 = 385234589381 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 (385234589713) 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, 24260338 + ... + 24276211.

It is an arithmetic number, because the mean of its divisors is an integer number (96320783475).

Almost surely, 2385234589413 is an apocalyptic number.

It is an amenable number.

385234589413 is a deficient number, since it is larger than the sum of its proper divisors (48544487).

385234589413 is an equidigital number, since it uses as much as digits as its factorization.

385234589413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48544486.

The product of its digits is 12441600, while the sum is 55.

The spelling of 385234589413 in words is "three hundred eighty-five billion, two hundred thirty-four million, five hundred eighty-nine thousand, four hundred thirteen".

Divisors: 1 7937 48536549 385234589413