Base | Representation |
---|---|
bin | 1000110101101110011011… |
… | …11101010111100011111000 |
3 | 2112211021100100120220200110 |
4 | 10122313031331113203320 |
5 | 10021433344200242333 |
6 | 105201435553504320 |
7 | 4044235165334400 |
oct | 432671575274370 |
9 | 75737310526613 |
10 | 19438182430968 |
11 | 6214761259014 |
12 | 221b2bbb720a0 |
13 | ab0021ca6c62 |
14 | 4b2b55017800 |
15 | 23a972176063 |
hex | 11adcdf578f8 |
19438182430968 has 96 divisors (see below), whose sum is σ = 58478698126800. Its totient is φ = 5362257212928.
The previous prime is 19438182430957. The next prime is 19438182431023. The reversal of 19438182430968 is 86903428183491.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 19438182430899 and 19438182430908.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284949805 + ... + 285018012.
Almost surely, 219438182430968 is an apocalyptic number.
It is an amenable number.
19438182430968 is an abundant number, since it is smaller than the sum of its proper divisors (39040515695832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19438182430968 is a wasteful number, since it uses less digits than its factorization.
19438182430968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 569967869 (or 569967858 counting only the distinct ones).
The product of its (nonzero) digits is 71663616, while the sum is 66.
The spelling of 19438182430968 in words is "nineteen trillion, four hundred thirty-eight billion, one hundred eighty-two million, four hundred thirty thousand, nine hundred sixty-eight".
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