Base | Representation |
---|---|
bin | 11001001001101010… |
… | …111101000000101001 |
3 | 2120201002011210210221 |
4 | 121021222331000221 |
5 | 420301441103424 |
6 | 20223432010041 |
7 | 1644141342133 |
oct | 311152750051 |
9 | 76632153727 |
10 | 27005800489 |
11 | 104a9085688 |
12 | 5298230921 |
13 | 2714c61b05 |
14 | 1442912053 |
15 | a80d2d9e4 |
hex | 649abd029 |
27005800489 has 8 divisors (see below), whose sum is σ = 27237625920. Its totient is φ = 26774845776.
The previous prime is 27005800421. The next prime is 27005800561. The reversal of 27005800489 is 98400850072.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 27005800489 - 215 = 27005767721 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (27003800489) 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, 155307 + ... + 279520.
It is an arithmetic number, because the mean of its divisors is an integer number (3404703240).
Almost surely, 227005800489 is an apocalyptic number.
It is an amenable number.
27005800489 is a deficient number, since it is larger than the sum of its proper divisors (231825431).
27005800489 is a wasteful number, since it uses less digits than its factorization.
27005800489 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 435359.
The product of its (nonzero) digits is 161280, while the sum is 43.
The spelling of 27005800489 in words is "twenty-seven billion, five million, eight hundred thousand, four hundred eighty-nine".
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