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828738514385 = 5615167525871
BaseRepresentation
bin11000000111101001010…
…10100010110111010001
32221020010012201112102022
430003310222202313101
5102034224024430020
61432414530301225
7113605625100155
oct14036452426721
92836105645368
10828738514385
1129a514316a31
12114746a27815
13601c3ba0082
142c17b037065
15168562d7625
hexc0f4aa2dd1

828738514385 has 16 divisors (see below), whose sum is σ = 1010986816512. Its totient is φ = 651994660800.

The previous prime is 828738514381. The next prime is 828738514421. The reversal of 828738514385 is 583415837828.

It is not a de Polignac number, because 828738514385 - 22 = 828738514381 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (828738514381) 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 15 ways as a sum of consecutive naturals, for example, 1313000 + ... + 1838870.

It is an arithmetic number, because the mean of its divisors is an integer number (63186676032).

Almost surely, 2828738514385 is an apocalyptic number.

It is an amenable number.

828738514385 is a deficient number, since it is larger than the sum of its proper divisors (182248302127).

828738514385 is a wasteful number, since it uses less digits than its factorization.

828738514385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531104.

The product of its digits is 51609600, while the sum is 62.

The spelling of 828738514385 in words is "eight hundred twenty-eight billion, seven hundred thirty-eight million, five hundred fourteen thousand, three hundred eighty-five".

Divisors: 1 5 61 305 5167 25835 315187 525871 1575935 2629355 32078131 160390655 2717175457 13585877285 165747702877 828738514385