Base | Representation |
---|---|
bin | 10000100100111101… |
… | …10011100101000100 |
3 | 211222020220211220011 |
4 | 20102132303211010 |
5 | 121211400000233 |
6 | 4031045520004 |
7 | 433356516031 |
oct | 102236634504 |
9 | 24866824804 |
10 | 8900000068 |
11 | 38578aa863 |
12 | 1884713004 |
13 | abab3983b |
14 | 606024388 |
15 | 3715270cd |
hex | 2127b3944 |
8900000068 has 6 divisors (see below), whose sum is σ = 15575000126. Its totient is φ = 4450000032.
The previous prime is 8900000047. The next prime is 8900000071. The reversal of 8900000068 is 8600000098.
It can be written as a sum of positive squares in only one way, i.e., 7449761344 + 1450238724 = 86312^2 + 38082^2 .
8900000068 is a strobogrammatic number because it is the same when read upside-down.
It is a junction number, because it is equal to n+sod(n) for n = 8899999985 and 8900000039.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1112500005 + ... + 1112500012.
Almost surely, 28900000068 is an apocalyptic number.
It is an amenable number.
8900000068 is a deficient number, since it is larger than the sum of its proper divisors (6675000058).
8900000068 is a wasteful number, since it uses less digits than its factorization.
8900000068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2225000021 (or 2225000019 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 31.
The square root of 8900000068 is about 94339.8116809653. The cubic root of 8900000068 is about 2072.3511033372.
The spelling of 8900000068 in words is "eight billion, nine hundred million, sixty-eight", and thus it is an aban number.
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