Base | Representation |
---|---|
bin | 10010110011011010… |
… | …110101110010111111 |
3 | 1221010002002122012200 |
4 | 102303122311302333 |
5 | 312322121330233 |
6 | 13135234202543 |
7 | 1313220253212 |
oct | 226332656277 |
9 | 57102078180 |
10 | 20190026943 |
11 | 8620820089 |
12 | 3ab5723453 |
13 | 1b99b7c708 |
14 | d9762d779 |
15 | 7d27a5313 |
hex | 4b36b5cbf |
20190026943 has 12 divisors (see below), whose sum is σ = 30698286840. Its totient is φ = 12751595856.
The previous prime is 20190026939. The next prime is 20190026947. The reversal of 20190026943 is 34962009102.
It is an interprime number because it is at equal distance from previous prime (20190026939) and next prime (20190026947).
It is not a de Polignac number, because 20190026943 - 22 = 20190026939 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20190026898 and 20190026907.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20190026947) 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, 59034996 + ... + 59035337.
It is an arithmetic number, because the mean of its divisors is an integer number (2558190570).
Almost surely, 220190026943 is an apocalyptic number.
20190026943 is a deficient number, since it is larger than the sum of its proper divisors (10508259897).
20190026943 is a wasteful number, since it uses less digits than its factorization.
20190026943 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 118070358 (or 118070355 counting only the distinct ones).
The product of its (nonzero) digits is 23328, while the sum is 36.
The spelling of 20190026943 in words is "twenty billion, one hundred ninety million, twenty-six thousand, nine hundred forty-three".
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