Base | Representation |
---|---|
bin | 11001011011101001… |
… | …000010000110100000 |
3 | 2121111002110220110221 |
4 | 121123221002012200 |
5 | 421411131140234 |
6 | 20313401532424 |
7 | 1654462052320 |
oct | 313351020640 |
9 | 77432426427 |
10 | 27307286944 |
11 | 10643284943 |
12 | 53611a4114 |
13 | 2762560372 |
14 | 1470991280 |
15 | a9c532eb4 |
hex | 65ba421a0 |
27307286944 has 96 divisors (see below), whose sum is σ = 63487742976. Its totient is φ = 11314114560.
The previous prime is 27307286933. The next prime is 27307286947. The reversal of 27307286944 is 44968270372.
It is a junction number, because it is equal to n+sod(n) for n = 27307286891 and 27307286900.
It is not an unprimeable number, because it can be changed into a prime (27307286947) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12338382 + ... + 12340594.
It is an arithmetic number, because the mean of its divisors is an integer number (661330656).
Almost surely, 227307286944 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 27307286944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31743871488).
27307286944 is an abundant number, since it is smaller than the sum of its proper divisors (36180456032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27307286944 is a wasteful number, since it uses less digits than its factorization.
27307286944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4038 (or 4030 counting only the distinct ones).
The product of its (nonzero) digits is 4064256, while the sum is 52.
The spelling of 27307286944 in words is "twenty-seven billion, three hundred seven million, two hundred eighty-six thousand, nine hundred forty-four".
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