Base | Representation |
---|---|
bin | 10001101101000001… |
… | …110110000101001010 |
3 | 1211001202220202222220 |
4 | 101231001312011022 |
5 | 302412310210021 |
6 | 12422130154510 |
7 | 1242030265236 |
oct | 215501660512 |
9 | 54052822886 |
10 | 19009069386 |
11 | 80751401aa |
12 | 3826122a36 |
13 | 1a3c2c4868 |
14 | cc48595c6 |
15 | 763c7bcc6 |
hex | 46d07614a |
19009069386 has 32 divisors (see below), whose sum is σ = 38318417280. Its totient is φ = 6286491456.
The previous prime is 19009069369. The next prime is 19009069393. The reversal of 19009069386 is 68396090091.
It is a super-2 number, since 2×190090693862 (a number of 21 digits) contains 22 as substring.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401940 + ... + 446736.
It is an arithmetic number, because the mean of its divisors is an integer number (1197450540).
Almost surely, 219009069386 is an apocalyptic number.
19009069386 is an abundant number, since it is smaller than the sum of its proper divisors (19309347894).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19009069386 is a wasteful number, since it uses less digits than its factorization.
19009069386 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 45358.
The product of its (nonzero) digits is 629856, while the sum is 51.
The spelling of 19009069386 in words is "nineteen billion, nine million, sixty-nine thousand, three hundred eighty-six".
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