Base | Representation |
---|---|
bin | 11001111101000110… |
… | …110101111001101110 |
3 | 2122221012222011012112 |
4 | 121331012311321232 |
5 | 424033344440142 |
6 | 20445220004022 |
7 | 2004420314213 |
oct | 317506657156 |
9 | 78835864175 |
10 | 27868749422 |
11 | 10901200a18 |
12 | 5499230612 |
13 | 2821984c97 |
14 | 14c5385b0a |
15 | ad198c382 |
hex | 67d1b5e6e |
27868749422 has 4 divisors (see below), whose sum is σ = 41803124136. Its totient is φ = 13934374710.
The previous prime is 27868749421. The next prime is 27868749437. The reversal of 27868749422 is 22494786872.
It is a semiprime because it is the product of two primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27868749421) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6967187354 + ... + 6967187357.
It is an arithmetic number, because the mean of its divisors is an integer number (10450781034).
Almost surely, 227868749422 is an apocalyptic number.
27868749422 is a deficient number, since it is larger than the sum of its proper divisors (13934374714).
27868749422 is a wasteful number, since it uses less digits than its factorization.
27868749422 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13934374713.
The product of its digits is 21676032, while the sum is 59.
The spelling of 27868749422 in words is "twenty-seven billion, eight hundred sixty-eight million, seven hundred forty-nine thousand, four hundred twenty-two".
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