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82018000544 = 252563062517
BaseRepresentation
bin100110001100010100…
…1110101111010100000
321211200222100010022212
41030120221311322200
52320433102004134
6101402322221252
75632324334054
oct1143051657240
9254628303285
1082018000544
1131869028827
1213a8b7b4828
13797124248c
143d80b9bc64
152200739bce
hex1318a75ea0

82018000544 has 12 divisors (see below), whose sum is σ = 161472938634. Its totient is φ = 41009000256.

The previous prime is 82018000531. The next prime is 82018000553. The reversal of 82018000544 is 44500081028.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 71406528400 + 10611472144 = 267220^2 + 103012^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 2563062517 = 82018000544 / (8 + 2 + 0 + 1 + 8 + 0 + 0 + 0 + 5 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 82018000544.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1281531227 + ... + 1281531290.

Almost surely, 282018000544 is an apocalyptic number.

It is an amenable number.

82018000544 is a deficient number, since it is larger than the sum of its proper divisors (79454938090).

82018000544 is a wasteful number, since it uses less digits than its factorization.

82018000544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563062527 (or 2563062519 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 32.

The spelling of 82018000544 in words is "eighty-two billion, eighteen million, five hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 8 16 32 2563062517 5126125034 10252250068 20504500136 41009000272 82018000544