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27107020140 = 2235895076221
BaseRepresentation
bin11001001111101101…
…000100110101101100
32120222010122022001220
4121033231010311230
5421003344121030
620241445303340
71646510604144
oct311755046554
976863568056
1027107020140
111055022a492
125306104b50
13272cc117b5
14145213d924
15a89b74a10
hex64fb44d6c

27107020140 has 48 divisors (see below), whose sum is σ = 76752476640. Its totient is φ = 7147317760.

The previous prime is 27107020133. The next prime is 27107020141. The reversal of 27107020140 is 4102070172.

It is a self number, because there is not a number n which added to its sum of digits gives 27107020140.

It is not an unprimeable number, because it can be changed into a prime (27107020141) 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, 2532771 + ... + 2543450.

It is an arithmetic number, because the mean of its divisors is an integer number (1599009930).

Almost surely, 227107020140 is an apocalyptic number.

27107020140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27107020140 is an abundant number, since it is smaller than the sum of its proper divisors (49645456500).

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

27107020140 is a wasteful number, since it uses less digits than its factorization.

27107020140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5076322 (or 5076320 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 24.

The spelling of 27107020140 in words is "twenty-seven billion, one hundred seven million, twenty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 89 178 267 356 445 534 890 1068 1335 1780 2670 5340 5076221 10152442 15228663 20304884 25381105 30457326 50762210 60914652 76143315 101524420 152286630 304573260 451783669 903567338 1355351007 1807134676 2258918345 2710702014 4517836690 5421404028 6776755035 9035673380 13553510070 27107020140