Base | Representation |
---|---|
bin | 10001110001010001… |
… | …111100110001111111 |
3 | 1211020202010202012110 |
4 | 101301101330301333 |
5 | 303034040244444 |
6 | 12433155105103 |
7 | 1243554503223 |
oct | 216121746177 |
9 | 54222122173 |
10 | 19080399999 |
11 | 810142aa21 |
12 | 3845ba2193 |
13 | 1a5100ac1b |
14 | cd0106783 |
15 | 76a16bcb9 |
hex | 47147cc7f |
19080399999 has 16 divisors (see below), whose sum is σ = 25496999424. Its totient is φ = 12692064000.
The previous prime is 19080399997. The next prime is 19080400021. The reversal of 19080399999 is 99999308091.
It is not a de Polignac number, because 19080399999 - 21 = 19080399997 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19080399997) 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, 3775024 + ... + 3780074.
It is an arithmetic number, because the mean of its divisors is an integer number (1593562464).
Almost surely, 219080399999 is an apocalyptic number.
19080399999 is a deficient number, since it is larger than the sum of its proper divisors (6416599425).
19080399999 is a wasteful number, since it uses less digits than its factorization.
19080399999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7598.
The product of its (nonzero) digits is 12754584, while the sum is 66.
The spelling of 19080399999 in words is "nineteen billion, eighty million, three hundred ninety-nine thousand, nine hundred ninety-nine".
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