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385251152813 = 882594365007
BaseRepresentation
bin1011001101100101100…
…00100001001110101101
31100211101211000022012022
411212302300201032231
522302443243342223
6452552033115525
736555611524352
oct5466260411655
91324354008168
10385251152813
1113942526119a
12627b79b8ba5
132a437b49627
1414909478629
15a04bb94ac8
hex59b2c213ad

385251152813 has 4 divisors (see below), whose sum is σ = 385255606080. Its totient is φ = 385246699548.

The previous prime is 385251152791. The next prime is 385251152827. The reversal of 385251152813 is 318251152583.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 385251152813 - 226 = 385184043949 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 (385251152893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2094245 + ... + 2270762.

It is an arithmetic number, because the mean of its divisors is an integer number (96313901520).

Almost surely, 2385251152813 is an apocalyptic number.

It is an amenable number.

385251152813 is a deficient number, since it is larger than the sum of its proper divisors (4453267).

385251152813 is an equidigital number, since it uses as much as digits as its factorization.

385251152813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453266.

The product of its digits is 288000, while the sum is 44.

The spelling of 385251152813 in words is "three hundred eighty-five billion, two hundred fifty-one million, one hundred fifty-two thousand, eight hundred thirteen".

Divisors: 1 88259 4365007 385251152813