Base | Representation |
---|---|
bin | 101001110111110010… |
… | …1100010011100100000 |
3 | 22121002121100111000200 |
4 | 1103233211202130200 |
5 | 2433123222102320 |
6 | 105150322545200 |
7 | 6332163246552 |
oct | 1235745423440 |
9 | 277077314020 |
10 | 89918940960 |
11 | 35152997252 |
12 | 15515808200 |
13 | 86300b0b54 |
14 | 44d023b4d2 |
15 | 25141b9290 |
hex | 14ef962720 |
89918940960 has 144 divisors (see below), whose sum is σ = 322998399360. Its totient is φ = 22716357120.
The previous prime is 89918940889. The next prime is 89918940989. The reversal of 89918940960 is 6904981998.
89918940960 is a `hidden beast` number, since 8 + 9 + 91 + 89 + 409 + 60 = 666.
It is a tau number, because it is divible by the number of its divisors (144).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1615896 + ... + 1670615.
It is an arithmetic number, because the mean of its divisors is an integer number (2243044440).
Almost surely, 289918940960 is an apocalyptic number.
89918940960 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
89918940960 is an abundant number, since it is smaller than the sum of its proper divisors (233079458400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
89918940960 is a wasteful number, since it uses less digits than its factorization.
89918940960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3286551 (or 3286540 counting only the distinct ones).
The product of its (nonzero) digits is 10077696, while the sum is 63.
The spelling of 89918940960 in words is "eighty-nine billion, nine hundred eighteen million, nine hundred forty thousand, nine hundred sixty".
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