Base | Representation |
---|---|
bin | 1110001101000111110… |
… | …10110000000110101000 |
3 | 1201122211020020200210002 |
4 | 13012203322300012220 |
5 | 30444042314021130 |
6 | 1012115502042132 |
7 | 50156053244234 |
oct | 7064372600650 |
9 | 1648736220702 |
10 | 488081392040 |
11 | 178aa3248980 |
12 | 7a715579348 |
13 | 37044b13128 |
14 | 198a23515c4 |
15 | ca695ddb45 |
hex | 71a3eb01a8 |
488081392040 has 128 divisors (see below), whose sum is σ = 1269677721600. Its totient is φ = 166887444480.
The previous prime is 488081392027. The next prime is 488081392067. The reversal of 488081392040 is 40293180884.
It is a happy number.
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, 8100746 + ... + 8160774.
It is an arithmetic number, because the mean of its divisors is an integer number (9919357200).
Almost surely, 2488081392040 is an apocalyptic number.
488081392040 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 488081392040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634838860800).
488081392040 is an abundant number, since it is smaller than the sum of its proper divisors (781596329560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488081392040 is a wasteful number, since it uses less digits than its factorization.
488081392040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61155 (or 61151 counting only the distinct ones).
The product of its (nonzero) digits is 442368, while the sum is 47.
The spelling of 488081392040 in words is "four hundred eighty-eight billion, eighty-one million, three hundred ninety-two thousand, forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •