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28627268308 = 22193147925367
BaseRepresentation
bin11010101010010100…
…010111001011010100
32201220002020220111121
4122222110113023110
5432112040041213
621052353413324
72032260523432
oct325224271324
981802226447
1028627268308
111116038a431
12566b26a244
132912b73122
141557dd3d52
15b2836d88d
hex6aa5172d4

28627268308 has 48 divisors (see below), whose sum is σ = 54551347200. Its totient is φ = 13094943840.

The previous prime is 28627268237. The next prime is 28627268311. The reversal of 28627268308 is 80386272682.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 1115841 + ... + 1141207.

It is an arithmetic number, because the mean of its divisors is an integer number (1136486400).

Almost surely, 228627268308 is an apocalyptic number.

It is an amenable number.

28627268308 is a deficient number, since it is larger than the sum of its proper divisors (25924078892).

28627268308 is a wasteful number, since it uses less digits than its factorization.

28627268308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25900 (or 25898 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 52.

The spelling of 28627268308 in words is "twenty-eight billion, six hundred twenty-seven million, two hundred sixty-eight thousand, three hundred eight".

Divisors: 1 2 4 19 31 38 62 76 124 479 589 958 1178 1916 2356 9101 14849 18202 25367 29698 36404 50734 59396 101468 282131 481973 564262 786377 963946 1128524 1572754 1927892 3145508 12150793 14941163 24301586 29882326 48603172 59764652 230865067 376674583 461730134 753349166 923460268 1506698332 7156817077 14313634154 28627268308