Base | Representation |
---|---|
bin | 11001100110000001… |
… | …110101010100001010 |
3 | 2121221020101220121210 |
4 | 121212001311110022 |
5 | 422240234412310 |
6 | 20342545113550 |
7 | 1662006260100 |
oct | 314601652412 |
9 | 77836356553 |
10 | 27481560330 |
11 | 10722696034 |
12 | 53ab6288b6 |
13 | 278c6aa803 |
14 | 1489b97c70 |
15 | aac9a9820 |
hex | 66607550a |
27481560330 has 192 divisors, whose sum is σ = 78292500480. Its totient is φ = 6154243200.
The previous prime is 27481560277. The next prime is 27481560331. The reversal of 27481560330 is 3306518472.
It is not an unprimeable number, because it can be changed into a prime (27481560331) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18681495 + ... + 18682965.
It is an arithmetic number, because the mean of its divisors is an integer number (407773440).
Almost surely, 227481560330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27481560330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39146250240).
27481560330 is an abundant number, since it is smaller than the sum of its proper divisors (50810940150).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27481560330 is a wasteful number, since it uses less digits than its factorization.
27481560330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1745 (or 1738 counting only the distinct ones).
The product of its (nonzero) digits is 120960, while the sum is 39.
The spelling of 27481560330 in words is "twenty-seven billion, four hundred eighty-one million, five hundred sixty thousand, three hundred thirty".
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