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2648964385 = 53131692629
BaseRepresentation
bin1001110111100011…
…1111110100100001
320211121111100000001
42131320333310201
520411113330020
61114504300001
7122433553144
oct23570776441
96747440001
102648964385
11113a2a9171
1261b171601
13332a57b62
141b1b4a05b
1510785350a
hex9de3fd21

2648964385 has 8 divisors (see below), whose sum is σ = 3188914920. Its totient is φ = 2112399744.

The previous prime is 2648964343. The next prime is 2648964407. The reversal of 2648964385 is 5834698462.

It can be written as a sum of positive squares in 4 ways, for example, as 68425984 + 2580538401 = 8272^2 + 50799^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2648964385 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 844750 + ... + 847879.

It is an arithmetic number, because the mean of its divisors is an integer number (398614365).

Almost surely, 22648964385 is an apocalyptic number.

It is an amenable number.

2648964385 is a deficient number, since it is larger than the sum of its proper divisors (539950535).

2648964385 is a wasteful number, since it uses less digits than its factorization.

2648964385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692947.

The product of its digits is 9953280, while the sum is 55.

The square root of 2648964385 is about 51468.0909399212. The cubic root of 2648964385 is about 1383.6472144310.

The spelling of 2648964385 in words is "two billion, six hundred forty-eight million, nine hundred sixty-four thousand, three hundred eighty-five".

Divisors: 1 5 313 1565 1692629 8463145 529792877 2648964385