Base | Representation |
---|---|
bin | 101000101111001111… |
… | …0101011111011011110 |
3 | 22100210221102110011110 |
4 | 1101132132223323132 |
5 | 2413132004322403 |
6 | 104104555202450 |
7 | 6214642354050 |
oct | 1213636537336 |
9 | 270727373143 |
10 | 87484448478 |
11 | 34113765a99 |
12 | 14b56446426 |
13 | 833290945b |
14 | 433cb9d8d0 |
15 | 24205cd103 |
hex | 145e7abede |
87484448478 has 32 divisors (see below), whose sum is σ = 202495656960. Its totient is φ = 24679156320.
The previous prime is 87484448437. The next prime is 87484448531.
87484448478 is nontrivially palindromic in base 10.
It is a congruent number.
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, 13179993 + ... + 13186628.
It is an arithmetic number, because the mean of its divisors is an integer number (6327989280).
Almost surely, 287484448478 is an apocalyptic number.
87484448478 is an abundant number, since it is smaller than the sum of its proper divisors (115011208482).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
87484448478 is a wasteful number, since it uses less digits than its factorization.
87484448478 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26366712.
The product of its digits is 205520896, while the sum is 66.
The spelling of 87484448478 in words is "eighty-seven billion, four hundred eighty-four million, four hundred forty-eight thousand, four hundred seventy-eight".
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