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28044684204680 = 23511134902916819
BaseRepresentation
bin1100110000001101010010…
…11100001001101010001000
310200022001020021001200211202
412120012221130021222020
512133441003124022210
6135351314451443332
75623106263352303
oct630065134115210
9120261207050752
1028044684204680
118a32758123650
12318b2b7bb6548
1312857aa54a8a0
146cd527243b3a
1533978eb5a9a5
hex1981a9709a88

28044684204680 has 64 divisors (see below), whose sum is σ = 74132102318400. Its totient is φ = 9413600290560.

The previous prime is 28044684204673. The next prime is 28044684204701. The reversal of 28044684204680 is 8640248644082.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2451452690 + ... + 2451464129.

It is an arithmetic number, because the mean of its divisors is an integer number (1158314098725).

Almost surely, 228044684204680 is an apocalyptic number.

28044684204680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28044684204680 is an abundant number, since it is smaller than the sum of its proper divisors (46087418113720).

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

28044684204680 is a wasteful number, since it uses less digits than its factorization.

28044684204680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902916854 (or 4902916850 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 56.

The spelling of 28044684204680 in words is "twenty-eight trillion, forty-four billion, six hundred eighty-four million, two hundred four thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 130 143 220 260 286 440 520 572 715 1144 1430 2860 5720 4902916819 9805833638 19611667276 24514584095 39223334552 49029168190 53932085009 63737918647 98058336380 107864170018 127475837294 196116672760 215728340036 254951674588 269660425045 318689593235 431456680072 509903349176 539320850090 637379186470 701117105117 1078641700180 1274758372940 1402234210234 2157283400360 2549516745880 2804468420468 3505585525585 5608936840936 7011171051170 14022342102340 28044684204680