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28287703952304 = 243149226545073
BaseRepresentation
bin1100110111010001111101…
…00010111010101110110000
310201011021111201120222211020
412123220332202322232300
512201431204202433204
6140055105232215440
75646501450211116
oct633507642725660
9121137451528736
1028287703952304
119016825470985
12320a41a99a580
1312a2699429114
146db1bc999ab6
15340c64c5bbd9
hex19ba3e8babb0

28287703952304 has 60 divisors (see below), whose sum is σ = 73570309672776. Its totient is φ = 9365950843904.

The previous prime is 28287703952231. The next prime is 28287703952311. The reversal of 28287703952304 is 40325930778282.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12206889 + ... + 14338184.

Almost surely, 228287703952304 is an apocalyptic number.

28287703952304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28287703952304 is an abundant number, since it is smaller than the sum of its proper divisors (45282605720472).

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

28287703952304 is a wasteful number, since it uses less digits than its factorization.

28287703952304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26545382 (or 26545227 counting only the distinct ones).

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 28287703952304 in words is "twenty-eight trillion, two hundred eighty-seven billion, seven hundred three million, nine hundred fifty-two thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 48 149 298 447 596 894 1192 1788 2384 3576 7152 22201 44402 66603 88804 133206 177608 266412 355216 532824 1065648 26545073 53090146 79635219 106180292 159270438 212360584 318540876 424721168 637081752 1274163504 3955215877 7910431754 11865647631 15820863508 23731295262 31641727016 47462590524 63283454032 94925181048 189850362096 589327165673 1178654331346 1767981497019 2357308662692 3535962994038 4714617325384 7071925988076 9429234650768 14143851976152 28287703952304