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384768955969 = 601640214569
BaseRepresentation
bin1011001100101100000…
…01000101011001000001
31100210011012200011110221
411212112001011121001
522301001323042334
6452432130023041
736540635106556
oct5462601053101
91323135604427
10384768955969
111391a8054602
12626a2417a81
132a38bc88a58
14148a13d8a2d
15a01e6968b4
hex5996045641

384768955969 has 4 divisors (see below), whose sum is σ = 385409171140. Its totient is φ = 384128740800.

The previous prime is 384768955937. The next prime is 384768955979. The reversal of 384768955969 is 969559867483.

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 241724639025 + 143044316944 = 491655^2 + 378212^2 .

It is a cyclic number.

It is not a de Polignac number, because 384768955969 - 25 = 384768955937 is a prime.

It is a super-2 number, since 2×3847689559692 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384768955979) 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, 320106684 + ... + 320107885.

It is an arithmetic number, because the mean of its divisors is an integer number (96352292785).

Almost surely, 2384768955969 is an apocalyptic number.

It is an amenable number.

384768955969 is a deficient number, since it is larger than the sum of its proper divisors (640215171).

384768955969 is an equidigital number, since it uses as much as digits as its factorization.

384768955969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640215170.

The product of its digits is 3527193600, while the sum is 79.

The spelling of 384768955969 in words is "three hundred eighty-four billion, seven hundred sixty-eight million, nine hundred fifty-five thousand, nine hundred sixty-nine".

Divisors: 1 601 640214569 384768955969