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27944131092 = 22319312065687
BaseRepresentation
bin11010000001100110…
…011001101000010100
32200010110210221102020
4122001212121220110
5424212144143332
620500511413140
72006324123643
oct320146315024
980113727366
1027944131092
111093a808319
1254ba5241b0
132834489217
1414d13a935a
15ad83cc82c
hex681999a14

27944131092 has 24 divisors (see below), whose sum is σ = 65540817216. Its totient is φ = 9266446848.

The previous prime is 27944131067. The next prime is 27944131099. The reversal of 27944131092 is 29013144972.

It is a happy number.

It is a super-3 number, since 3×279441310923 (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27944131099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6030528 + ... + 6035159.

It is an arithmetic number, because the mean of its divisors is an integer number (2730867384).

Almost surely, 227944131092 is an apocalyptic number.

It is an amenable number.

27944131092 is an abundant number, since it is smaller than the sum of its proper divisors (37596686124).

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

27944131092 is a wasteful number, since it uses less digits than its factorization.

27944131092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12065887 (or 12065885 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The spelling of 27944131092 in words is "twenty-seven billion, nine hundred forty-four million, one hundred thirty-one thousand, ninety-two".

Divisors: 1 2 3 4 6 12 193 386 579 772 1158 2316 12065687 24131374 36197061 48262748 72394122 144788244 2328677591 4657355182 6986032773 9314710364 13972065546 27944131092