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6388085105 = 53465136871
BaseRepresentation
bin1011111001100001…
…00111000101110001
3121111012022100100122
411330300213011301
5101040322210410
62533514500025
7314205553553
oct57460470561
917435270318
106388085105
1127889a8986
1212a3434615
137aa5c801c
144485914d3
15275c45e55
hex17cc27171

6388085105 has 8 divisors (see below), whose sum is σ = 7666131264. Its totient is φ = 5110182000.

The previous prime is 6388085101. The next prime is 6388085107. The reversal of 6388085105 is 5015808836.

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

It is not a de Polignac number, because 6388085105 - 22 = 6388085101 is a prime.

It is a super-2 number, since 2×63880851052 = 81615262617445722050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6388085101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154820 + ... + 191690.

It is an arithmetic number, because the mean of its divisors is an integer number (958266408).

Almost surely, 26388085105 is an apocalyptic number.

It is an amenable number.

6388085105 is a deficient number, since it is larger than the sum of its proper divisors (1278046159).

6388085105 is a wasteful number, since it uses less digits than its factorization.

6388085105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71527.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 6388085105 is about 79925.4972145935. The cubic root of 6388085105 is about 1855.4826501323.

The spelling of 6388085105 in words is "six billion, three hundred eighty-eight million, eighty-five thousand, one hundred five".

Divisors: 1 5 34651 36871 173255 184355 1277617021 6388085105