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28466648688204 = 223223207191659347
BaseRepresentation
bin1100111100011111010000…
…11110111010011001001100
310201210101101200200102212100
412132033220132322121030
512212344144031010304
6140313221535035100
75665435043316366
oct636175036723114
9121711350612770
1028466648688204
119085702073571
12323903b06ba90
1312b651655402c
14705b1657dd36
153457399b9439
hex19e3e87ba64c

28466648688204 has 72 divisors (see below), whose sum is σ = 75089612183040. Its totient is φ = 9075879232992.

The previous prime is 28466648688167. The next prime is 28466648688263. The reversal of 28466648688204 is 40288684666482.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16325659 + ... + 17985005.

It is an arithmetic number, because the mean of its divisors is an integer number (1042911280320).

Almost surely, 228466648688204 is an apocalyptic number.

It is an amenable number.

28466648688204 is an abundant number, since it is smaller than the sum of its proper divisors (46622963494836).

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

28466648688204 is a wasteful number, since it uses less digits than its factorization.

28466648688204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680099 (or 1680094 counting only the distinct ones).

The product of its (nonzero) digits is 1358954496, while the sum is 72.

The spelling of 28466648688204 in words is "twenty-eight trillion, four hundred sixty-six billion, six hundred forty-eight million, six hundred eighty-eight thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 23 36 46 69 92 138 207 276 414 828 20719 41438 62157 82876 124314 186471 248628 372942 476537 745884 953074 1429611 1659347 1906148 2859222 3318694 4288833 4978041 5718444 6637388 8577666 9956082 14934123 17155332 19912164 29868246 38164981 59736492 76329962 114494943 152659924 228989886 343484829 457979772 686969658 1373939316 34380010493 68760020986 103140031479 137520041972 206280062958 309420094437 412560125916 618840188874 790740241339 1237680377748 1581480482678 2372220724017 3162960965356 4744441448034 7116662172051 9488882896068 14233324344102 28466648688204