Base | Representation |
---|---|
bin | 110011110001110… |
… | …010100001010101 |
3 | 2020112121000122220 |
4 | 303301302201111 |
5 | 3234341040010 |
6 | 222111012553 |
7 | 30345512631 |
oct | 6361624125 |
9 | 2215530586 |
10 | 868690005 |
11 | 406397727 |
12 | 202b0a159 |
13 | 10ac83371 |
14 | 83529dc1 |
15 | 513e4970 |
hex | 33c72855 |
868690005 has 16 divisors (see below), whose sum is σ = 1394928384. Its totient is φ = 461626560.
The previous prime is 868690003. The next prime is 868690007. The reversal of 868690005 is 500096868.
868690005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (868690003) and next prime (868690007).
It is not a de Polignac number, because 868690005 - 21 = 868690003 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868690003) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100381 + ... + 108690.
It is an arithmetic number, because the mean of its divisors is an integer number (87183024).
Almost surely, 2868690005 is an apocalyptic number.
It is an amenable number.
868690005 is a deficient number, since it is larger than the sum of its proper divisors (526238379).
868690005 is a wasteful number, since it uses less digits than its factorization.
868690005 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 209356.
The product of its (nonzero) digits is 103680, while the sum is 42.
The square root of 868690005 is about 29473.5475469106. The cubic root of 868690005 is about 954.1608831246.
The spelling of 868690005 in words is "eight hundred sixty-eight million, six hundred ninety thousand, five".
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