Base | Representation |
---|---|
bin | 1110010011011101011… |
… | …11000101011011000000 |
3 | 1201222121101001121012220 |
4 | 13021232233011123000 |
5 | 31023024412432410 |
6 | 1013441254051040 |
7 | 50336301664311 |
oct | 7115657053300 |
9 | 1658541047186 |
10 | 491484108480 |
11 | 17a489a6a122 |
12 | 7b305049a80 |
13 | 37467a7a501 |
14 | 19b06228608 |
15 | cbb81d1070 |
hex | 726ebc56c0 |
491484108480 has 224 divisors, whose sum is σ = 1650091419648. Its totient is φ = 123740774400.
The previous prime is 491484108469. The next prime is 491484108517. The reversal of 491484108480 is 84801484194.
491484108480 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1018759 + ... + 1421561.
It is an arithmetic number, because the mean of its divisors is an integer number (7366479552).
Almost surely, 2491484108480 is an apocalyptic number.
491484108480 is a gapful number since it is divisible by the number (40) 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 491484108480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (825045709824).
491484108480 is an abundant number, since it is smaller than the sum of its proper divisors (1158607311168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
491484108480 is a wasteful number, since it uses less digits than its factorization.
491484108480 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402895 (or 402885 counting only the distinct ones).
The product of its (nonzero) digits is 1179648, while the sum is 51.
The spelling of 491484108480 in words is "four hundred ninety-one billion, four hundred eighty-four million, one hundred eight thousand, four hundred eighty".
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