Base | Representation |
---|---|
bin | 111011100101110001010… |
… | …0100111100001101110011 |
3 | 1001222221211210211202001000 |
4 | 1313023202210330031303 |
5 | 2033141114301011234 |
6 | 25230234352213043 |
7 | 1503465025606602 |
oct | 167134244741563 |
9 | 31887753752030 |
10 | 8190009000819 |
11 | 26783aa627918 |
12 | b0334153a183 |
13 | 4754120579a9 |
14 | 2045818a1a39 |
15 | e3093208899 |
hex | 772e293c373 |
8190009000819 has 16 divisors (see below), whose sum is σ = 12133396378240. Its totient is φ = 5459983630920.
The previous prime is 8190009000809. The next prime is 8190009000839. The reversal of 8190009000819 is 9180009000918.
It is not a de Polignac number, because 8190009000819 - 25 = 8190009000787 is a prime.
It is a super-2 number, since 2×81900090008192 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8190009000809) 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, 8554464 + ... + 9463554.
It is an arithmetic number, because the mean of its divisors is an integer number (758337273640).
Almost surely, 28190009000819 is an apocalyptic number.
8190009000819 is a deficient number, since it is larger than the sum of its proper divisors (3943387377421).
8190009000819 is a wasteful number, since it uses less digits than its factorization.
8190009000819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1242767 (or 1242761 counting only the distinct ones).
The product of its (nonzero) digits is 46656, while the sum is 45.
Subtracting 8190009000819 from its reverse (9180009000918), we obtain a palindrome (990000000099).
The spelling of 8190009000819 in words is "eight trillion, one hundred ninety billion, nine million, eight hundred nineteen", and thus it is an aban number.
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