Base | Representation |
---|---|
bin | 10010100000010010… |
… | …100100100100001010 |
3 | 1220021201012110101020 |
4 | 102200102210210022 |
5 | 311142441421411 |
6 | 13043331333310 |
7 | 1302242332143 |
oct | 224022444412 |
9 | 56251173336 |
10 | 19869092106 |
11 | 8476647a86 |
12 | 3a26151236 |
13 | 1b48531b46 |
14 | d66b6aaca |
15 | 7b450d606 |
hex | 4a04a490a |
19869092106 has 8 divisors (see below), whose sum is σ = 39738184224. Its totient is φ = 6623030700.
The previous prime is 19869092069. The next prime is 19869092137. The reversal of 19869092106 is 60129096891.
It is a sphenic number, since it is the product of 3 distinct primes.
19869092106 is an admirable number.
It is a super-2 number, since 2×198690921062 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1655757670 + ... + 1655757681.
It is an arithmetic number, because the mean of its divisors is an integer number (4967273028).
Almost surely, 219869092106 is an apocalyptic number.
19869092106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19869092106 is a wasteful number, since it uses less digits than its factorization.
19869092106 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3311515356.
The product of its (nonzero) digits is 419904, while the sum is 51.
It can be divided in two parts, 1986909 and 2106, that added together give a triangular number (1989015 = T1994).
The spelling of 19869092106 in words is "nineteen billion, eight hundred sixty-nine million, ninety-two thousand, one hundred six".
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