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27292812912 = 2432227834949
BaseRepresentation
bin11001011010110001…
…110100011001110000
32121110002020112211200
4121122301310121300
5421343430003122
620312123411200
71654225040061
oct313261643160
977402215750
1027292812912
1110636099332
125358383b00
13275c563251
14146caa4568
15a9b1245ac
hex65ac74670

27292812912 has 60 divisors (see below), whose sum is σ = 76718545800. Its totient is φ = 9057515904.

The previous prime is 27292812901. The next prime is 27292812917. The reversal of 27292812912 is 21921829272.

27292812912 is a `hidden beast` number, since 272 + 92 + 8 + 1 + 291 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27292812917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 384787 + ... + 450162.

It is an arithmetic number, because the mean of its divisors is an integer number (1278642430).

Almost surely, 227292812912 is an apocalyptic number.

It is an amenable number.

27292812912 is an abundant number, since it is smaller than the sum of its proper divisors (49425732888).

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

27292812912 is a wasteful number, since it uses less digits than its factorization.

27292812912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 835190 (or 835181 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The spelling of 27292812912 in words is "twenty-seven billion, two hundred ninety-two million, eight hundred twelve thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 227 454 681 908 1362 1816 2043 2724 3632 4086 5448 8172 10896 16344 32688 834949 1669898 2504847 3339796 5009694 6679592 7514541 10019388 13359184 15029082 20038776 30058164 40077552 60116328 120232656 189533423 379066846 568600269 758133692 1137200538 1516267384 1705800807 2274401076 3032534768 3411601614 4548802152 6823203228 9097604304 13646406456 27292812912