Base | Representation |
---|---|
bin | 10001111000110010… |
… | …101001111011000100 |
3 | 1211120112020220221102 |
4 | 101320302221323010 |
5 | 303313320222040 |
6 | 12453500035232 |
7 | 1246644553103 |
oct | 217062517304 |
9 | 54515226842 |
10 | 19206414020 |
11 | 816657a142 |
12 | 3880232b18 |
13 | 1a7115c331 |
14 | d02b4a03a |
15 | 77625e515 |
hex | 478ca9ec4 |
19206414020 has 72 divisors (see below), whose sum is σ = 42979312320. Its totient is φ = 7208087040.
The previous prime is 19206413987. The next prime is 19206414023. The reversal of 19206414020 is 2041460291.
It is not an unprimeable number, because it can be changed into a prime (19206414023) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1908161 + ... + 1918199.
Almost surely, 219206414020 is an apocalyptic number.
19206414020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19206414020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21489656160).
19206414020 is an abundant number, since it is smaller than the sum of its proper divisors (23772898300).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19206414020 is a wasteful number, since it uses less digits than its factorization.
19206414020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10413 (or 10394 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 29.
The spelling of 19206414020 in words is "nineteen billion, two hundred six million, four hundred fourteen thousand, twenty".
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