Base | Representation |
---|---|
bin | 10001111110011011… |
… | …100101100000000000 |
3 | 1211211010021220111211 |
4 | 101332123211200000 |
5 | 304012030424023 |
6 | 12511120015504 |
7 | 1252204022110 |
oct | 217633454000 |
9 | 54733256454 |
10 | 19301029888 |
11 | 8204a23478 |
12 | 38a7a61594 |
13 | 1a8793925a |
14 | d11539040 |
15 | 77e6eda0d |
hex | 47e6e5800 |
19301029888 has 48 divisors (see below), whose sum is σ = 44105901840. Its totient is φ = 8271863808.
The previous prime is 19301029879. The next prime is 19301029889. The reversal of 19301029888 is 88892010391.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19301029889) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658831 + ... + 687502.
It is an arithmetic number, because the mean of its divisors is an integer number (918872955).
Almost surely, 219301029888 is an apocalyptic number.
It is an amenable number.
19301029888 is an abundant number, since it is smaller than the sum of its proper divisors (24804871952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19301029888 is an equidigital number, since it uses as much as digits as its factorization.
19301029888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1346362 (or 1346342 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 49.
The spelling of 19301029888 in words is "nineteen billion, three hundred one million, twenty-nine thousand, eight hundred eighty-eight".
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