Base | Representation |
---|---|
bin | 101000100011111… |
… | …010111010001101 |
3 | 1202102111020022220 |
4 | 220203322322031 |
5 | 2343202124343 |
6 | 151305325553 |
7 | 22602124341 |
oct | 5043727215 |
9 | 1672436286 |
10 | 680504973 |
11 | 31a144505 |
12 | 16ba968b9 |
13 | aaca4a85 |
14 | 66541621 |
15 | 3eb21183 |
hex | 288fae8d |
680504973 has 16 divisors (see below), whose sum is σ = 927955200. Its totient is φ = 443476800.
The previous prime is 680504927. The next prime is 680504983. The reversal of 680504973 is 379405086.
It is a happy number.
It is not a de Polignac number, because 680504973 - 28 = 680504717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (680504983) 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, 9723 + ... + 38151.
It is an arithmetic number, because the mean of its divisors is an integer number (57997200).
Almost surely, 2680504973 is an apocalyptic number.
It is an amenable number.
680504973 is a deficient number, since it is larger than the sum of its proper divisors (247450227).
680504973 is a wasteful number, since it uses less digits than its factorization.
680504973 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28612.
The product of its (nonzero) digits is 181440, while the sum is 42.
The square root of 680504973 is about 26086.4902392024. The cubic root of 680504973 is about 879.5835551079.
The spelling of 680504973 in words is "six hundred eighty million, five hundred four thousand, nine hundred seventy-three".
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