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28527331244 = 2243165856577
BaseRepresentation
bin11010100100010111…
…001000011110101100
32201122010012120121212
4122210113020132230
5431410444044434
621034423413552
72026635212636
oct324427103654
981563176555
1028527331244
1111109a31215
1256418b42b8
1328c8252179
141548a1ba56
15b1e6cc8ce
hex6a45c87ac

28527331244 has 12 divisors (see below), whose sum is σ = 51083826024. Its totient is φ = 13931952384.

The previous prime is 28527331241. The next prime is 28527331333. The reversal of 28527331244 is 44213372582.

It is not an unprimeable number, because it can be changed into a prime (28527331241) 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 3 ways as a sum of consecutive naturals, for example, 82928117 + ... + 82928460.

It is an arithmetic number, because the mean of its divisors is an integer number (4256985502).

Almost surely, 228527331244 is an apocalyptic number.

It is an amenable number.

28527331244 is a deficient number, since it is larger than the sum of its proper divisors (22556494780).

28527331244 is a wasteful number, since it uses less digits than its factorization.

28527331244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165856624 (or 165856622 counting only the distinct ones).

The product of its digits is 322560, while the sum is 41.

The spelling of 28527331244 in words is "twenty-eight billion, five hundred twenty-seven million, three hundred thirty-one thousand, two hundred forty-four".

Divisors: 1 2 4 43 86 172 165856577 331713154 663426308 7131832811 14263665622 28527331244