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82841280625 = 54314275679
BaseRepresentation
bin100110100100110111…
…0011010000001110001
321220211100111002021201
41031021232122001301
52324124331440000
6102020132051201
75661612160405
oct1151156320161
9256740432251
1082841280625
113215081a294
121407b463b01
137a7298675c
14401c267105
15224cb5e96a
hex1349b9a071

82841280625 has 20 divisors (see below), whose sum is σ = 106857794560. Its totient is φ = 64135170000.

The previous prime is 82841280623. The next prime is 82841280629. The reversal of 82841280625 is 52608214828.

It is not a de Polignac number, because 82841280625 - 21 = 82841280623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82841280623) 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 19 ways as a sum of consecutive naturals, for example, 2118465 + ... + 2157214.

It is an arithmetic number, because the mean of its divisors is an integer number (5342889728).

Almost surely, 282841280625 is an apocalyptic number.

It is an amenable number.

82841280625 is a deficient number, since it is larger than the sum of its proper divisors (24016513935).

82841280625 is an equidigital number, since it uses as much as digits as its factorization.

82841280625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275730 (or 4275715 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 46.

The spelling of 82841280625 in words is "eighty-two billion, eight hundred forty-one million, two hundred eighty thousand, six hundred twenty-five".

Divisors: 1 5 25 31 125 155 625 775 3875 19375 4275679 21378395 106891975 132546049 534459875 662730245 2672299375 3313651225 16568256125 82841280625