Base | Representation |
---|---|
bin | 1001101010101… |
… | …10110110100010 |
3 | 12122121002221012 |
4 | 10311112312202 |
5 | 131230033343 |
6 | 12014100522 |
7 | 2003206526 |
oct | 465266642 |
9 | 178532835 |
10 | 81096098 |
11 | 4185a776 |
12 | 231aa742 |
13 | 13a55275 |
14 | aaadd86 |
15 | 71bd718 |
hex | 4d56da2 |
81096098 has 8 divisors (see below), whose sum is σ = 121927680. Its totient is φ = 40453540.
The previous prime is 81096097. The next prime is 81096101. The reversal of 81096098 is 89069018.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×810960982 = 13153154221651208, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (81096097) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46178 + ... + 47901.
It is an arithmetic number, because the mean of its divisors is an integer number (15240960).
Almost surely, 281096098 is an apocalyptic number.
81096098 is a deficient number, since it is larger than the sum of its proper divisors (40831582).
81096098 is a wasteful number, since it uses less digits than its factorization.
81096098 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 94512.
The product of its (nonzero) digits is 31104, while the sum is 41.
The square root of 81096098 is about 9005.3371952415. The cubic root of 81096098 is about 432.8459112464.
The spelling of 81096098 in words is "eighty-one million, ninety-six thousand, ninety-eight".
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