Base | Representation |
---|---|
bin | 1110011111100011101… |
… | …1011011100110011001 |
3 | 212210200111121100200111 |
4 | 3213320323123212121 |
5 | 13034412300334420 |
6 | 310214552204321 |
7 | 23663122350352 |
oct | 3477073334631 |
9 | 783614540614 |
10 | 248989464985 |
11 | 96661075348 |
12 | 4030a0996a1 |
13 | 1a630903791 |
14 | c0a0520d29 |
15 | 672425645a |
hex | 39f8edb999 |
248989464985 has 8 divisors (see below), whose sum is σ = 300936908160. Its totient is φ = 197758538544.
The previous prime is 248989464947. The next prime is 248989465003. The reversal of 248989464985 is 589464989842.
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 248989464985 - 29 = 248989464473 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179128417 + ... + 179129806.
It is an arithmetic number, because the mean of its divisors is an integer number (37617113520).
Almost surely, 2248989464985 is an apocalyptic number.
It is an amenable number.
248989464985 is a deficient number, since it is larger than the sum of its proper divisors (51947443175).
248989464985 is a wasteful number, since it uses less digits than its factorization.
248989464985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 358258367.
The product of its digits is 1433272320, while the sum is 76.
The spelling of 248989464985 in words is "two hundred forty-eight billion, nine hundred eighty-nine million, four hundred sixty-four thousand, nine hundred eighty-five".
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