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27934830072 = 2333129327917
BaseRepresentation
bin11010000001000010…
…111010110111111000
32200002211022101211000
4122001002322313320
5424202304030242
620455540205000
72006152065162
oct320102726770
980084271730
1027934830072
1110935535326
1254b7399760
132832580866
1414d0067932
15ad7691a4c
hex6810badf8

27934830072 has 32 divisors (see below), whose sum is σ = 77596750800. Its totient is φ = 9311609952.

The previous prime is 27934830041. The next prime is 27934830107. The reversal of 27934830072 is 27003843972.

27934830072 is a `hidden beast` number, since 279 + 3 + 4 + 8 + 300 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 64663743 + ... + 64664174.

Almost surely, 227934830072 is an apocalyptic number.

It is an amenable number.

27934830072 is an abundant number, since it is smaller than the sum of its proper divisors (49661920728).

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

27934830072 is a wasteful number, since it uses less digits than its factorization.

27934830072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129327932 (or 129327922 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 27934830072 in words is "twenty-seven billion, nine hundred thirty-four million, eight hundred thirty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 108 216 129327917 258655834 387983751 517311668 775967502 1034623336 1163951253 1551935004 2327902506 3103870008 3491853759 4655805012 6983707518 9311610024 13967415036 27934830072