Base | Representation |
---|---|
bin | 1111010000010100… |
… | …10111110111101011 |
3 | 210010202221010202021 |
4 | 13220022113313223 |
5 | 113233120004434 |
6 | 3432404045311 |
7 | 406645566553 |
oct | 75012276753 |
9 | 23122833667 |
10 | 8190000619 |
11 | 3523050759 |
12 | 1706993837 |
13 | a06a08c18 |
14 | 579a06163 |
15 | 32e02bcb4 |
hex | 1e8297deb |
8190000619 has 8 divisors (see below), whose sum is σ = 8207806320. Its totient is φ = 8172210816.
The previous prime is 8190000593. The next prime is 8190000629. The reversal of 8190000619 is 9160000918.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 8190000619 - 25 = 8190000587 is a prime.
It is a super-2 number, since 2×81900006192 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (8190000629) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2008767 + ... + 2012839.
It is an arithmetic number, because the mean of its divisors is an integer number (1025975790).
Almost surely, 28190000619 is an apocalyptic number.
8190000619 is a deficient number, since it is larger than the sum of its proper divisors (17805701).
8190000619 is a wasteful number, since it uses less digits than its factorization.
8190000619 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7949.
The product of its (nonzero) digits is 3888, while the sum is 34.
The square root of 8190000619 is about 90498.6221939318. The cubic root of 8190000619 is about 2015.7096650418.
The spelling of 8190000619 in words is "eight billion, one hundred ninety million, six hundred nineteen", and thus it is an aban number.
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