Base | Representation |
---|---|
bin | 1110001111101011111… |
… | …01110000111110110100 |
3 | 1201210101011102020121202 |
4 | 13013311331300332310 |
5 | 31004402211220110 |
6 | 1012504233432032 |
7 | 50235136423163 |
oct | 7076575607664 |
9 | 1653334366552 |
10 | 489457913780 |
11 | 17963a261050 |
12 | 7aa3a56b618 |
13 | 37204061234 |
14 | 199930b13da |
15 | caea3970a5 |
hex | 71f5f70fb4 |
489457913780 has 48 divisors (see below), whose sum is σ = 1170055926144. Its totient is φ = 170246229120.
The previous prime is 489457913761. The next prime is 489457913851. The reversal of 489457913780 is 87319754984.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48360347 + ... + 48370466.
It is an arithmetic number, because the mean of its divisors is an integer number (24376165128).
Almost surely, 2489457913780 is an apocalyptic number.
It is an amenable number.
489457913780 is an abundant number, since it is smaller than the sum of its proper divisors (680598012364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
489457913780 is a wasteful number, since it uses less digits than its factorization.
489457913780 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 96730856 (or 96730854 counting only the distinct ones).
The product of its (nonzero) digits is 60963840, while the sum is 65.
The spelling of 489457913780 in words is "four hundred eighty-nine billion, four hundred fifty-seven million, nine hundred thirteen thousand, seven hundred eighty".
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