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27285508000 = 255316134229
BaseRepresentation
bin11001011010010101…
…111100111110100000
32121102120111102101101
4121122111330332200
5421340042224000
620311303044144
71654105664002
oct313225747640
977376442341
1027285508000
1110631a5a013
125355a40654
13275aba630a
14146bb22372
15a9a67ee6a
hex65a57cfa0

27285508000 has 96 divisors (see below), whose sum is σ = 67097918160. Its totient is φ = 10904857600.

The previous prime is 27285507979. The next prime is 27285508001. The reversal of 27285508000 is 80558272.

It can be written as a sum of positive squares in 8 ways, for example, as 8823220624 + 18462287376 = 93932^2 + 135876^2 .

It is not an unprimeable number, because it can be changed into a prime (27285508001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6449886 + ... + 6454114.

Almost surely, 227285508000 is an apocalyptic number.

27285508000 is a gapful number since it is divisible by the number (20) 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 27285508000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33548959080).

27285508000 is an abundant number, since it is smaller than the sum of its proper divisors (39812410160).

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

27285508000 is a wasteful number, since it uses less digits than its factorization.

27285508000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5867 (or 5849 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 27285508000 in words is "twenty-seven billion, two hundred eighty-five million, five hundred eight thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 125 160 200 250 400 500 800 1000 1613 2000 3226 4000 4229 6452 8065 8458 12904 16130 16916 21145 25808 32260 33832 40325 42290 51616 64520 67664 80650 84580 105725 129040 135328 161300 169160 201625 211450 258080 322600 338320 403250 422900 528625 645200 676640 806500 845800 1057250 1290400 1613000 1691600 2114500 3226000 3383200 4229000 6452000 6821377 8458000 13642754 16916000 27285508 34106885 54571016 68213770 109142032 136427540 170534425 218284064 272855080 341068850 545710160 682137700 852672125 1091420320 1364275400 1705344250 2728550800 3410688500 5457101600 6821377000 13642754000 27285508000