Base | Representation |
---|---|
bin | 10000110000110111… |
… | …11001001111000110 |
3 | 212020012220021222102 |
4 | 20120123321033012 |
5 | 121412433300402 |
6 | 4045015032102 |
7 | 436011613544 |
oct | 103033711706 |
9 | 25205807872 |
10 | 8999900102 |
11 | 38a9233176 |
12 | 18b206b632 |
13 | b0574699b |
14 | 6153cad94 |
15 | 37a1ac102 |
hex | 2186f93c6 |
8999900102 has 4 divisors (see below), whose sum is σ = 13499850156. Its totient is φ = 4499950050.
The previous prime is 8999900101. The next prime is 8999900123. The reversal of 8999900102 is 2010099998.
8999900102 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2010099998 = 2 ⋅1005049999.
It is a super-2 number, since 2×89999001022 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8999900101) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2249975024 + ... + 2249975027.
It is an arithmetic number, because the mean of its divisors is an integer number (3374962539).
Almost surely, 28999900102 is an apocalyptic number.
8999900102 is a deficient number, since it is larger than the sum of its proper divisors (4499950054).
8999900102 is a wasteful number, since it uses less digits than its factorization.
8999900102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4499950053.
The product of its (nonzero) digits is 104976, while the sum is 47.
The square root of 8999900102 is about 94867.8032949008. The cubic root of 8999900102 is about 2080.0761268674.
The spelling of 8999900102 in words is "eight billion, nine hundred ninety-nine million, nine hundred thousand, one hundred two".
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