Base | Representation |
---|---|
bin | 11110111010000001111011 |
3 | 120020121212111 |
4 | 132322001323 |
5 | 4033231021 |
6 | 445353151 |
7 | 125603011 |
oct | 36720173 |
9 | 16217774 |
10 | 8102011 |
11 | 4634185 |
12 | 28687b7 |
13 | 18a89b8 |
14 | 110c8b1 |
15 | aa08e1 |
hex | 7ba07b |
8102011 has 4 divisors (see below), whose sum is σ = 8132400. Its totient is φ = 8071624.
The previous prime is 8102009. The next prime is 8102041. The reversal of 8102011 is 1102018.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 8102011 - 21 = 8102009 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 8101982 and 8102000.
It is not an unprimeable number, because it can be changed into a prime (8102041) 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, 14791 + ... + 15328.
It is an arithmetic number, because the mean of its divisors is an integer number (2033100).
Almost surely, 28102011 is an apocalyptic number.
8102011 is a deficient number, since it is larger than the sum of its proper divisors (30389).
8102011 is a wasteful number, since it uses less digits than its factorization.
8102011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30388.
The product of its (nonzero) digits is 16, while the sum is 13.
The square root of 8102011 is about 2846.4031689134. The cubic root of 8102011 is about 200.8465037687.
Adding to 8102011 its reverse (1102018), we get a palindrome (9204029).
The spelling of 8102011 in words is "eight million, one hundred two thousand, eleven".
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