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27012591344 = 247921370721
BaseRepresentation
bin11001001010000100…
…110110111011110000
32120201112221211010002
4121022010312323300
5420310210410334
620224233325132
71644253144424
oct311204667360
976645854102
1027012591344
11105019a3762
12529a5667a8
13271649ba7b
14144379cb84
15a81720b7e
hex64a136ef0

27012591344 has 20 divisors (see below), whose sum is σ = 52999390560. Its totient is φ = 13335329280.

The previous prime is 27012591323. The next prime is 27012591349. The reversal of 27012591344 is 44319521072.

It is a super-2 number, since 2×270125913442 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27012591298 and 27012591307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27012591349) 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 3 ways as a sum of consecutive naturals, for example, 10684097 + ... + 10686624.

It is an arithmetic number, because the mean of its divisors is an integer number (2649969528).

Almost surely, 227012591344 is an apocalyptic number.

It is an amenable number.

27012591344 is a deficient number, since it is larger than the sum of its proper divisors (25986799216).

27012591344 is a wasteful number, since it uses less digits than its factorization.

27012591344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21370808 (or 21370802 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 27012591344 in words is "twenty-seven billion, twelve million, five hundred ninety-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 79 158 316 632 1264 21370721 42741442 85482884 170965768 341931536 1688286959 3376573918 6753147836 13506295672 27012591344