Base | Representation |
---|---|
bin | 11001011101101000… |
… | …011100100001111000 |
3 | 2121120102022211101211 |
4 | 121131220130201320 |
5 | 421443203444410 |
6 | 20320553452504 |
7 | 1655346003061 |
oct | 313550344170 |
9 | 77512284354 |
10 | 27340687480 |
11 | 10660118197 |
12 | 5370411134 |
13 | 27694560b2 |
14 | 14751a7568 |
15 | aa042e68a |
hex | 65da1c878 |
27340687480 has 16 divisors (see below), whose sum is σ = 61516546920. Its totient is φ = 10936274976.
The previous prime is 27340687471. The next prime is 27340687487. The reversal of 27340687480 is 8478604372.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (27340687487) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 341758554 + ... + 341758633.
Almost surely, 227340687480 is an apocalyptic number.
27340687480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27340687480 is an abundant number, since it is smaller than the sum of its proper divisors (34175859440).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27340687480 is a wasteful number, since it uses less digits than its factorization.
27340687480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 683517198 (or 683517194 counting only the distinct ones).
The product of its (nonzero) digits is 1806336, while the sum is 49.
The spelling of 27340687480 in words is "twenty-seven billion, three hundred forty million, six hundred eighty-seven thousand, four hundred eighty".
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