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84888201728 = 291131601809
BaseRepresentation
bin100111100001110111…
…0110010101000000000
322010010000010110011102
41033003232302220000
52342322334423403
6102555212433532
76063415544411
oct1170356625000
9263100113142
1084888201728
11330011a4420
1214550a788a8
13800aa7b985
144174057808
15231c6deb88
hex13c3bb2a00

84888201728 has 160 divisors (see below), whose sum is σ = 191552739840. Its totient is φ = 37232640000.

The previous prime is 84888201719. The next prime is 84888201733. The reversal of 84888201728 is 82710288848.

It is a super-2 number, since 2×848882017282 (a number of 23 digits) contains 22 as substring.

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, 104929388 + ... + 104930196.

It is an arithmetic number, because the mean of its divisors is an integer number (1197204624).

Almost surely, 284888201728 is an apocalyptic number.

84888201728 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84888201728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95776369920).

84888201728 is an abundant number, since it is smaller than the sum of its proper divisors (106664538112).

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

84888201728 is a wasteful number, since it uses less digits than its factorization.

84888201728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 3670016, while the sum is 56.

The spelling of 84888201728 in words is "eighty-four billion, eight hundred eighty-eight million, two hundred one thousand, seven hundred twenty-eight".

Divisors: 1 2 4 8 11 16 22 31 32 44 62 64 88 124 128 176 248 256 341 352 496 512 601 682 704 809 992 1202 1364 1408 1618 1984 2404 2728 2816 3236 3968 4808 5456 5632 6472 6611 7936 8899 9616 10912 12944 13222 15872 17798 18631 19232 21824 25079 25888 26444 35596 37262 38464 43648 50158 51776 52888 71192 74524 76928 87296 100316 103552 105776 142384 149048 153856 174592 200632 204941 207104 211552 275869 284768 298096 307712 401264 409882 414208 423104 486209 551738 569536 596192 802528 819764 846208 972418 1103476 1139072 1192384 1605056 1639528 1692416 1944836 2206952 2278144 2384768 3210112 3279056 3384832 3889672 4413904 4556288 4769536 5348299 6420224 6558112 7779344 8827808 9539072 10696598 12840448 13116224 15072479 15558688 17655616 21393196 26232448 30144958 31117376 35311232 42786392 52464896 60289916 62234752 70622464 85572784 104929792 120579832 124469504 141244928 165797269 171145568 241159664 248939008 331594538 342291136 482319328 663189076 684582272 964638656 1326378152 1369164544 1929277312 2652756304 2738329088 3858554624 5305512608 7717109248 10611025216 21222050432 42444100864 84888201728