Base | Representation |
---|---|
bin | 10010100001010011… |
… | …001011111100011110 |
3 | 1220022220002000122200 |
4 | 102201103023330132 |
5 | 311211310434442 |
6 | 13045134352330 |
7 | 1302536320443 |
oct | 224123137436 |
9 | 56286060580 |
10 | 19886030622 |
11 | 8485167157 |
12 | 3a2b95b6a6 |
13 | 1b4bbb2933 |
14 | d690d99ca |
15 | 7b5c5734c |
hex | 4a14cbf1e |
19886030622 has 24 divisors (see below), whose sum is σ = 43792736520. Its totient is φ = 6520009680.
The previous prime is 19886030603. The next prime is 19886030623. The reversal of 19886030622 is 22603068891.
19886030622 is a `hidden beast` number, since 19 + 8 + 8 + 6 + 0 + 3 + 0 + 622 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19886030623) 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, 9054472 + ... + 9056667.
It is an arithmetic number, because the mean of its divisors is an integer number (1824697355).
Almost surely, 219886030622 is an apocalyptic number.
19886030622 is an abundant number, since it is smaller than the sum of its proper divisors (23906705898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19886030622 is a wasteful number, since it uses less digits than its factorization.
19886030622 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18111208 (or 18111205 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 19886030622 in words is "nineteen billion, eight hundred eighty-six million, thirty thousand, six hundred twenty-two".
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