Base | Representation |
---|---|
bin | 1000100101101111100000… |
… | …01110001110000100110011 |
3 | 2110212202210222201000110101 |
4 | 10102313300032032010303 |
5 | 4433434133333210034 |
6 | 104101253143413231 |
7 | 3656454031162045 |
oct | 422676016160463 |
9 | 73782728630411 |
10 | 18889001460019 |
11 | 6022864986189 |
12 | 2150994454217 |
13 | a702c09a2852 |
14 | 494338183a95 |
15 | 22b52da33514 |
hex | 112df038e133 |
18889001460019 has 2 divisors, whose sum is σ = 18889001460020. Its totient is φ = 18889001460018.
The previous prime is 18889001459987. The next prime is 18889001460037. The reversal of 18889001460019 is 91006410098881.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 18889001460019 - 25 = 18889001459987 is a prime.
It is a super-2 number, since 2×188890014600192 (a number of 27 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (18889001460059) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9444500730009 + 9444500730010.
It is an arithmetic number, because the mean of its divisors is an integer number (9444500730010).
Almost surely, 218889001460019 is an apocalyptic number.
18889001460019 is a deficient number, since it is larger than the sum of its proper divisors (1).
18889001460019 is an equidigital number, since it uses as much as digits as its factorization.
18889001460019 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 995328, while the sum is 55.
The spelling of 18889001460019 in words is "eighteen trillion, eight hundred eighty-nine billion, one million, four hundred sixty thousand, nineteen".
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