Base | Representation |
---|---|
bin | 100101101010111000… |
… | …0010101100010100000 |
3 | 21201210202101202122220 |
4 | 1023111300111202200 |
5 | 2311133240120342 |
6 | 101055110031040 |
7 | 5562445335150 |
oct | 1132560254240 |
9 | 251722352586 |
10 | 80895629472 |
11 | 31342523829 |
12 | 13817948480 |
13 | 782285b098 |
14 | 3cb5ab8760 |
15 | 2186e355ec |
hex | 12d5c158a0 |
80895629472 has 96 divisors (see below), whose sum is σ = 243030614400. Its totient is φ = 23080301568.
The previous prime is 80895629449. The next prime is 80895629491. The reversal of 80895629472 is 27492659808.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×808956294722 (a number of 23 digits) contains 22 as substring.
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, 391554 + ... + 561342.
It is an arithmetic number, because the mean of its divisors is an integer number (2531568900).
Almost surely, 280895629472 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 80895629472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121515307200).
80895629472 is an abundant number, since it is smaller than the sum of its proper divisors (162134984928).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80895629472 is a wasteful number, since it uses less digits than its factorization.
80895629472 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 170518 (or 170510 counting only the distinct ones).
The product of its (nonzero) digits is 17418240, while the sum is 60.
The spelling of 80895629472 in words is "eighty billion, eight hundred ninety-five million, six hundred twenty-nine thousand, four hundred seventy-two".
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