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27955049100 = 22352118471227
BaseRepresentation
bin11010000010010000…
…000011001010001100
32200011020100122002220
4122002100003022030
5424222443032400
620501541415340
72006515665606
oct320220031214
980136318086
1027955049100
1110945995170
12550210a550
13283680c894
1414d2a0c176
15ad93377a0
hex68240328c

27955049100 has 72 divisors (see below), whose sum is σ = 88236310848. Its totient is φ = 6776980800.

The previous prime is 27955049093. The next prime is 27955049123. The reversal of 27955049100 is 194055972.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4232314 + ... + 4238913.

Almost surely, 227955049100 is an apocalyptic number.

27955049100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27955049100 is an abundant number, since it is smaller than the sum of its proper divisors (60281261748).

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

27955049100 is a wasteful number, since it uses less digits than its factorization.

27955049100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8471255 (or 8471248 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 42.

The spelling of 27955049100 in words is "twenty-seven billion, nine hundred fifty-five million, forty-nine thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 25 30 33 44 50 55 60 66 75 100 110 132 150 165 220 275 300 330 550 660 825 1100 1650 3300 8471227 16942454 25413681 33884908 42356135 50827362 84712270 93183497 101654724 127068405 169424540 186366994 211780675 254136810 279550491 372733988 423561350 465917485 508273620 559100982 635342025 847122700 931834970 1118201964 1270684050 1397752455 1863669940 2329587425 2541368100 2795504910 4659174850 5591009820 6988762275 9318349700 13977524550 27955049100