Base | Representation |
---|---|
bin | 1110001110100010010… |
… | …11001011001000000000 |
3 | 1201201210010222002201121 |
4 | 13013101023023020000 |
5 | 31002121202443434 |
6 | 1012323104042024 |
7 | 50213633102545 |
oct | 7072113131000 |
9 | 1651703862647 |
10 | 488840671744 |
11 | 1793528a6a67 |
12 | 7a8a7903314 |
13 | 37136209669 |
14 | 1993511abcc |
15 | cab10c07b4 |
hex | 71d12cb200 |
488840671744 has 80 divisors (see below), whose sum is σ = 1051136010936. Its totient is φ = 226271232000.
The previous prime is 488840671729. The next prime is 488840671747. The reversal of 488840671744 is 447176048884.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 374250297600 + 114590374144 = 611760^2 + 338512^2 .
It is a super-2 number, since 2×4888406717442 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (61).
It is not an unprimeable number, because it can be changed into a prime (488840671747) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70594 + ... + 991294.
Almost surely, 2488840671744 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 488840671744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (525568005468).
488840671744 is an abundant number, since it is smaller than the sum of its proper divisors (562295339192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
488840671744 is an equidigital number, since it uses as much as digits as its factorization.
488840671744 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 920797 (or 920781 counting only the distinct ones).
The product of its (nonzero) digits is 38535168, while the sum is 61.
The spelling of 488840671744 in words is "four hundred eighty-eight billion, eight hundred forty million, six hundred seventy-one thousand, seven hundred forty-four".
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