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28543370336 = 251368613871
BaseRepresentation
bin11010100101010100…
…010100010001100000
32201200020101110010022
4122211110110101200
5431424100322321
621040155253012
72030221434065
oct324524242140
981606343108
1028543370336
1111117a96668
12564714a168
1328cb679760
14154abd4c6c
15b20ce9dab
hex6a5514460

28543370336 has 24 divisors (see below), whose sum is σ = 60517435104. Its totient is φ = 13173863040.

The previous prime is 28543370309. The next prime is 28543370377. The reversal of 28543370336 is 63307334582.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34306520 + ... + 34307351.

It is an arithmetic number, because the mean of its divisors is an integer number (2521559796).

Almost surely, 228543370336 is an apocalyptic number.

28543370336 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28543370336 is an abundant number, since it is smaller than the sum of its proper divisors (31974064768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28543370336 is a wasteful number, since it uses less digits than its factorization.

28543370336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68613894 (or 68613886 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 44.

The spelling of 28543370336 in words is "twenty-eight billion, five hundred forty-three million, three hundred seventy thousand, three hundred thirty-six".

Divisors: 1 2 4 8 13 16 26 32 52 104 208 416 68613871 137227742 274455484 548910968 891980323 1097821936 1783960646 2195643872 3567921292 7135842584 14271685168 28543370336