Base | Representation |
---|---|
bin | 11001100000000111… |
… | …111110000101010000 |
3 | 2121200100000102100210 |
4 | 121200013332011100 |
5 | 422034410141213 |
6 | 20325050044120 |
7 | 1656364313310 |
oct | 314007760520 |
9 | 77610012323 |
10 | 27382505808 |
11 | 1068178a999 |
12 | 5382419640 |
13 | 2775008478 |
14 | 147a971440 |
15 | aa3e400c3 |
hex | 6601fe150 |
27382505808 has 40 divisors (see below), whose sum is σ = 80843589568. Its totient is φ = 7823572992.
The previous prime is 27382505807. The next prime is 27382505837. The reversal of 27382505808 is 80850528372.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27382505803) 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, 40747441 + ... + 40748112.
Almost surely, 227382505808 is an apocalyptic number.
27382505808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
27382505808 is an abundant number, since it is smaller than the sum of its proper divisors (53461083760).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27382505808 is a wasteful number, since it uses less digits than its factorization.
27382505808 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 81495571 (or 81495565 counting only the distinct ones).
The product of its (nonzero) digits is 1075200, while the sum is 48.
The spelling of 27382505808 in words is "twenty-seven billion, three hundred eighty-two million, five hundred five thousand, eight hundred eight".
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