Base | Representation |
---|---|
bin | 1110011100111110111… |
… | …0111000010110110000 |
3 | 212201220100001222222011 |
4 | 3213033232320112300 |
5 | 13032003331342130 |
6 | 310022222252304 |
7 | 23640030542425 |
oct | 3471756702660 |
9 | 781810058864 |
10 | 248298309040 |
11 | 96336a16691 |
12 | 40156727094 |
13 | 1a55066ca72 |
14 | c036809d4c |
15 | 66d372e52a |
hex | 39cfbb85b0 |
248298309040 has 80 divisors (see below), whose sum is σ = 593172097056. Its totient is φ = 96606720000.
The previous prime is 248298308987. The next prime is 248298309043. The reversal of 248298309040 is 40903892842.
It is a tau number, because it is divible by the number of its divisors (80).
It is not an unprimeable number, because it can be changed into a prime (248298309043) 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, 679290 + ... + 978790.
Almost surely, 2248298309040 is an apocalyptic number.
248298309040 is a gapful number since it is divisible by the number (20) 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 248298309040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296586048528).
248298309040 is an abundant number, since it is smaller than the sum of its proper divisors (344873788016).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
248298309040 is a wasteful number, since it uses less digits than its factorization.
248298309040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 299798 (or 299792 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 49.
The spelling of 248298309040 in words is "two hundred forty-eight billion, two hundred ninety-eight million, three hundred nine thousand, forty".
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