Base | Representation |
---|---|
bin | 10001110100010000… |
… | …110111110100000000 |
3 | 1211101020022111201210 |
4 | 101310100313310000 |
5 | 303134343333102 |
6 | 12442143530120 |
7 | 1245033064143 |
oct | 216420676400 |
9 | 54336274653 |
10 | 19130449152 |
11 | 8127704661 |
12 | 385a8b9940 |
13 | 1a5b4b27c9 |
14 | cd6a1405a |
15 | 76e75636c |
hex | 474437d00 |
19130449152 has 36 divisors (see below), whose sum is σ = 50914895360. Its totient is φ = 6376816128.
The previous prime is 19130449141. The next prime is 19130449201. The reversal of 19130449152 is 25194403191.
It is a self number, because there is not a number n which added to its sum of digits gives 19130449152.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12453952 + ... + 12455487.
Almost surely, 219130449152 is an apocalyptic number.
19130449152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19130449152 is an abundant number, since it is smaller than the sum of its proper divisors (31784446208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19130449152 is an equidigital number, since it uses as much as digits as its factorization.
19130449152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24909458 (or 24909444 counting only the distinct ones).
The product of its (nonzero) digits is 38880, while the sum is 39.
The spelling of 19130449152 in words is "nineteen billion, one hundred thirty million, four hundred forty-nine thousand, one hundred fifty-two".
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