Base | Representation |
---|---|
bin | 1001101010010… |
… | …01011011001110 |
3 | 12122111022111022 |
4 | 10311021123032 |
5 | 131221303402 |
6 | 12012554142 |
7 | 2002560302 |
oct | 465113316 |
9 | 178438438 |
10 | 81041102 |
11 | 4182241a |
12 | 23182952 |
13 | 13a3621c |
14 | aa97d02 |
15 | 71ac2a2 |
hex | 4d496ce |
81041102 has 8 divisors (see below), whose sum is σ = 123622200. Its totient is φ = 39833704.
The previous prime is 81041101. The next prime is 81041131. The reversal of 81041102 is 20114018.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (81041101) 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, 343277 + ... + 343512.
It is an arithmetic number, because the mean of its divisors is an integer number (15452775).
Almost surely, 281041102 is an apocalyptic number.
81041102 is a deficient number, since it is larger than the sum of its proper divisors (42581098).
81041102 is a wasteful number, since it uses less digits than its factorization.
81041102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 686850.
The product of its (nonzero) digits is 64, while the sum is 17.
The square root of 81041102 is about 9002.2831548447. The cubic root of 81041102 is about 432.7480430897.
The spelling of 81041102 in words is "eighty-one million, forty-one thousand, one hundred two".
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