Base | Representation |
---|---|
bin | 100110011010… |
… | …111010000001 |
3 | 200221200202020 |
4 | 212122322001 |
5 | 10034243211 |
6 | 555512053 |
7 | 151415334 |
oct | 46327201 |
9 | 20850666 |
10 | 10071681 |
11 | 575a004 |
12 | 3458629 |
13 | 2118399 |
14 | 14a261b |
15 | d3e306 |
hex | 99ae81 |
10071681 has 8 divisors (see below), whose sum is σ = 13443744. Its totient is φ = 6707040.
The previous prime is 10071679. The next prime is 10071697. The reversal of 10071681 is 18617001.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 10071681 - 21 = 10071679 is a prime.
It is a super-2 number, since 2×100716812 = 202877516331522, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (10071601) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3645 + ... + 5781.
It is an arithmetic number, because the mean of its divisors is an integer number (1680468).
Almost surely, 210071681 is an apocalyptic number.
It is an amenable number.
10071681 is a deficient number, since it is larger than the sum of its proper divisors (3372063).
10071681 is a wasteful number, since it uses less digits than its factorization.
10071681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3711.
The product of its (nonzero) digits is 336, while the sum is 24.
The square root of 10071681 is about 3173.5911835017. The cubic root of 10071681 is about 215.9570173389.
Adding to 10071681 its reverse (18617001), we get a palindrome (28688682).
The spelling of 10071681 in words is "ten million, seventy-one thousand, six hundred eighty-one".
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