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385333883785 = 5181425783297
BaseRepresentation
bin1011001101101111011…
…00000111001110001001
31100211121120200110202101
411212313230013032021
522303130433240120
6453004150233401
736560634653464
oct5466754071611
91324546613671
10385333883785
11139467a281a4
126281b655861
132a44c024a76
14149164522db
15a05408790a
hex59b7b07389

385333883785 has 8 divisors (see below), whose sum is σ = 464955361416. Its totient is φ = 306563973120.

The previous prime is 385333883749. The next prime is 385333883797. The reversal of 385333883785 is 587388333583.

It can be written as a sum of positive squares in 4 ways, for example, as 26165003536 + 359168880249 = 161756^2 + 599307^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-385333883785 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 212890744 + ... + 212892553.

It is an arithmetic number, because the mean of its divisors is an integer number (58119420177).

Almost surely, 2385333883785 is an apocalyptic number.

It is an amenable number.

385333883785 is a deficient number, since it is larger than the sum of its proper divisors (79621477631).

385333883785 is a wasteful number, since it uses less digits than its factorization.

385333883785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425783483.

The product of its digits is 174182400, while the sum is 64.

The spelling of 385333883785 in words is "three hundred eighty-five billion, three hundred thirty-three million, eight hundred eighty-three thousand, seven hundred eighty-five".

Divisors: 1 5 181 905 425783297 2128916485 77066776757 385333883785