Base | Representation |
---|---|
bin | 100111111111101110… |
… | …0101011001001110000 |
3 | 22012200211100102022100 |
4 | 1033333130223021300 |
5 | 2401400330213423 |
6 | 103242442340400 |
7 | 6130302452334 |
oct | 1177734531160 |
9 | 265624312270 |
10 | 85890085488 |
11 | 33475794529 |
12 | 147904ba700 |
13 | 813a4c83bc |
14 | 422b1357c4 |
15 | 237a644343 |
hex | 13ff72b270 |
85890085488 has 60 divisors (see below), whose sum is σ = 243415675360. Its totient is φ = 28267619328.
The previous prime is 85890085471. The next prime is 85890085573. The reversal of 85890085488 is 88458009858.
85890085488 is a `hidden beast` number, since 8 + 5 + 89 + 0 + 0 + 8 + 548 + 8 = 666.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3763681 + ... + 3786432.
Almost surely, 285890085488 is an apocalyptic number.
It is an amenable number.
85890085488 is an abundant number, since it is smaller than the sum of its proper divisors (157525589872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
85890085488 is a wasteful number, since it uses less digits than its factorization.
85890085488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7550206 (or 7550197 counting only the distinct ones).
The product of its (nonzero) digits is 29491200, while the sum is 63.
The spelling of 85890085488 in words is "eighty-five billion, eight hundred ninety million, eighty-five thousand, four hundred eighty-eight".
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