Base | Representation |
---|---|
bin | 10011001010101010… |
… | …011110000100000110 |
3 | 1222010020220022200110 |
4 | 103022222132010012 |
5 | 314121440000011 |
6 | 13242044453450 |
7 | 1325664054006 |
oct | 231252360406 |
9 | 58106808613 |
10 | 20580000006 |
11 | 8800967675 |
12 | 3ba424a286 |
13 | 1c2c8c00c7 |
14 | dd3344006 |
15 | 806b37ba6 |
hex | 4caa9e106 |
20580000006 has 16 divisors (see below), whose sum is σ = 41456116800. Its totient is φ = 6810647208.
The previous prime is 20579999987. The next prime is 20580000083. The reversal of 20580000006 is 60000008502.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12337296 + ... + 12338963.
It is an arithmetic number, because the mean of its divisors is an integer number (2591007300).
Almost surely, 220580000006 is an apocalyptic number.
20580000006 is an abundant number, since it is smaller than the sum of its proper divisors (20876116794).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20580000006 is a wasteful number, since it uses less digits than its factorization.
20580000006 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24676403.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 20580000006 its reverse (60000008502), we get a palindrome (80580008508).
The spelling of 20580000006 in words is "twenty billion, five hundred eighty million, six", and thus it is an aban number.
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