Base | Representation |
---|---|
bin | 10010011000110011101100… |
… | …100100100011011110100000 |
3 | 101121100001121101121111111000 |
4 | 102120303230210203132200 |
5 | 41044431431443121220 |
6 | 443554553142352000 |
7 | 23014431255613314 |
oct | 2230635444433640 |
9 | 347301541544430 |
10 | 80869613254560 |
11 | 23849679463379 |
12 | 90a10a5a2b600 |
13 | 3617c830a5980 |
14 | 15d817841bb44 |
15 | 95390e3e5390 |
hex | 498cec9237a0 |
80869613254560 has 1536 divisors, whose sum is σ = 323621423677440. Its totient is φ = 18721821081600.
The previous prime is 80869613254543. The next prime is 80869613254597. The reversal of 80869613254560 is 6545231696808.
It is a happy number.
80869613254560 is a `hidden beast` number, since 8 + 0 + 8 + 6 + 9 + 6 + 13 + 2 + 54 + 560 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 9872980065 + ... + 9872988255.
It is an arithmetic number, because the mean of its divisors is an integer number (210691031040).
Almost surely, 280869613254560 is an apocalyptic number.
80869613254560 is a gapful number since it is divisible by the number (80) 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 80869613254560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161810711838720).
80869613254560 is an abundant number, since it is smaller than the sum of its proper divisors (242751810422880).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80869613254560 is a wasteful number, since it uses less digits than its factorization.
80869613254560 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8419 (or 8405 counting only the distinct ones).
The product of its (nonzero) digits is 74649600, while the sum is 63.
The spelling of 80869613254560 in words is "eighty trillion, eight hundred sixty-nine billion, six hundred thirteen million, two hundred fifty-four thousand, five hundred sixty".
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