Base | Representation |
---|---|
bin | 11010000001100110… |
… | …011001101000010100 |
3 | 2200010110210221102020 |
4 | 122001212121220110 |
5 | 424212144143332 |
6 | 20500511413140 |
7 | 2006324123643 |
oct | 320146315024 |
9 | 80113727366 |
10 | 27944131092 |
11 | 1093a808319 |
12 | 54ba5241b0 |
13 | 2834489217 |
14 | 14d13a935a |
15 | ad83cc82c |
hex | 681999a14 |
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".
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