Base | Representation |
---|---|
bin | 10001111110011101… |
… | …010101100100110000 |
3 | 1211211011011020012220 |
4 | 101332131111210300 |
5 | 304012140121234 |
6 | 12511133521040 |
7 | 1252210643343 |
oct | 217635254460 |
9 | 54734136186 |
10 | 19301488944 |
11 | 8205207361 |
12 | 38a8043180 |
13 | 1a87a6a19a |
14 | d1161845a |
15 | 77e78ea49 |
hex | 47e755930 |
19301488944 has 20 divisors (see below), whose sum is σ = 49862179896. Its totient is φ = 6433829632.
The previous prime is 19301488909. The next prime is 19301488963. The reversal of 19301488944 is 44988410391.
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, 201057129 + ... + 201057224.
Almost surely, 219301488944 is an apocalyptic number.
It is an amenable number.
19301488944 is an abundant number, since it is smaller than the sum of its proper divisors (30560690952).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19301488944 is a wasteful number, since it uses less digits than its factorization.
19301488944 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 402114364 (or 402114358 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 51.
The spelling of 19301488944 in words is "nineteen billion, three hundred one million, four hundred eighty-eight thousand, nine hundred forty-four".
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