Base | Representation |
---|---|
bin | 11001101001100010… |
… | …101100110000111100 |
3 | 2122002100022202020000 |
4 | 121221202230300330 |
5 | 422400332221313 |
6 | 20352452354300 |
7 | 1663323311250 |
oct | 315142546074 |
9 | 78070282200 |
10 | 27540507708 |
11 | 1075299807a |
12 | 5407315990 |
13 | 279b97960c |
14 | 1493940260 |
15 | ab2c50673 |
hex | 6698acc3c |
27540507708 has 120 divisors (see below), whose sum is σ = 82399629312. Its totient is φ = 7857422496.
The previous prime is 27540507679. The next prime is 27540507721. The reversal of 27540507708 is 80770504572.
27540507708 is a `hidden beast` number, since 2 + 75 + 4 + 0 + 507 + 70 + 8 = 666.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
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 39 ways as a sum of consecutive naturals, for example, 1640485 + ... + 1657187.
Almost surely, 227540507708 is an apocalyptic number.
27540507708 is a gapful number since it is divisible by the number (28) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27540507708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41199814656).
27540507708 is an abundant number, since it is smaller than the sum of its proper divisors (54859121604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27540507708 is a wasteful number, since it uses less digits than its factorization.
27540507708 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17453 (or 17442 counting only the distinct ones).
The product of its (nonzero) digits is 548800, while the sum is 45.
The spelling of 27540507708 in words is "twenty-seven billion, five hundred forty million, five hundred seven thousand, seven hundred eight".
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