Base | Representation |
---|---|
bin | 10011111100111100100110… |
… | …111100001010100110101100 |
3 | 102111200221000010200011110112 |
4 | 103330330212330022212230 |
5 | 43000203303303141420 |
6 | 510344151311355152 |
7 | 24324544544135150 |
oct | 2374744674124654 |
9 | 374627003604415 |
10 | 87751130130860 |
11 | 25a62055323179 |
12 | 9a1290bb22ab8 |
13 | 39c6b85867881 |
14 | 179526a965060 |
15 | a2291cdbd8c5 |
hex | 4fcf26f0a9ac |
87751130130860 has 48 divisors (see below), whose sum is σ = 210903144379200. Its totient is φ = 30043182892800.
The previous prime is 87751130130841. The next prime is 87751130130869. The reversal of 87751130130860 is 6803103115778.
It is a junction number, because it is equal to n+sod(n) for n = 87751130130799 and 87751130130808.
It is not an unprimeable number, because it can be changed into a prime (87751130130869) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 446973035 + ... + 447169314.
It is an arithmetic number, because the mean of its divisors is an integer number (4393815507900).
Almost surely, 287751130130860 is an apocalyptic number.
It is an amenable number.
87751130130860 is an abundant number, since it is smaller than the sum of its proper divisors (123152014248340).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87751130130860 is a wasteful number, since it uses less digits than its factorization.
87751130130860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 894143066 (or 894143064 counting only the distinct ones).
The product of its (nonzero) digits is 846720, while the sum is 50.
The spelling of 87751130130860 in words is "eighty-seven trillion, seven hundred fifty-one billion, one hundred thirty million, one hundred thirty thousand, eight hundred sixty".
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