Base | Representation |
---|---|
bin | 110011101111111… |
… | …100010111011001 |
3 | 2020111200102210022 |
4 | 303233330113121 |
5 | 3234230043131 |
6 | 222052400225 |
7 | 30341425643 |
oct | 6357742731 |
9 | 2214612708 |
10 | 868206041 |
11 | 40609705a |
12 | 202916075 |
13 | 10ab43cb1 |
14 | 83441893 |
15 | 5134b37b |
hex | 33bfc5d9 |
868206041 has 4 divisors (see below), whose sum is σ = 868284900. Its totient is φ = 868127184.
The previous prime is 868206029. The next prime is 868206067. The reversal of 868206041 is 140602868.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.
It can be written as a sum of positive squares in 2 ways, for example, as 719366041 + 148840000 = 26821^2 + 12200^2 .
It is a cyclic number.
It is not a de Polignac number, because 868206041 - 226 = 801097177 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 868205992 and 868206010.
It is not an unprimeable number, because it can be changed into a prime (868206011) 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, 19586 + ... + 46043.
It is an arithmetic number, because the mean of its divisors is an integer number (217071225).
Almost surely, 2868206041 is an apocalyptic number.
It is an amenable number.
868206041 is a deficient number, since it is larger than the sum of its proper divisors (78859).
868206041 is a wasteful number, since it uses less digits than its factorization.
868206041 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 78858.
The product of its (nonzero) digits is 18432, while the sum is 35.
The square root of 868206041 is about 29465.3362614446. The cubic root of 868206041 is about 953.9836563821.
The spelling of 868206041 in words is "eight hundred sixty-eight million, two hundred six thousand, forty-one".
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