Base | Representation |
---|---|
bin | 10001110000010110… |
… | …011101010111100000 |
3 | 1211012122210102122200 |
4 | 101300112131113200 |
5 | 303021042223312 |
6 | 12431440533200 |
7 | 1243305111243 |
oct | 216026352740 |
9 | 54178712580 |
10 | 19064804832 |
11 | 80a3649057 |
12 | 3840921200 |
13 | 1a4aa0a708 |
14 | ccc00725a |
15 | 768adb0dc |
hex | 47059d5e0 |
19064804832 has 72 divisors (see below), whose sum is σ = 54529065864. Its totient is φ = 6318184704.
The previous prime is 19064804813. The next prime is 19064804833. The reversal of 19064804832 is 23840846091.
It is a happy number.
19064804832 is a `hidden beast` number, since 1 + 90 + 6 + 4 + 80 + 483 + 2 = 666.
It is a tau number, because it is divible by the number of its divisors (72).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19064804833) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141498 + ... + 241145.
It is an arithmetic number, because the mean of its divisors is an integer number (757348137).
Almost surely, 219064804832 is an apocalyptic number.
19064804832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19064804832 is an abundant number, since it is smaller than the sum of its proper divisors (35464261032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19064804832 is a wasteful number, since it uses less digits than its factorization.
19064804832 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 382832 (or 382821 counting only the distinct ones).
The product of its (nonzero) digits is 331776, while the sum is 45.
The spelling of 19064804832 in words is "nineteen billion, sixty-four million, eight hundred four thousand, eight hundred thirty-two".
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