Base | Representation |
---|---|
bin | 1011010101011111110… |
… | …10101001011101100011 |
3 | 1101020100211001000212012 |
4 | 11222233322221131203 |
5 | 22340143100143434 |
6 | 454533315223135 |
7 | 40066064100365 |
oct | 5525772513543 |
9 | 1336324030765 |
10 | 389498443619 |
11 | 14020479868a |
12 | 635a22a7aab |
13 | 2a963a7255c |
14 | 14bcd5a0d35 |
15 | a1e99b63ce |
hex | 5aafea9763 |
389498443619 has 2 divisors, whose sum is σ = 389498443620. Its totient is φ = 389498443618.
The previous prime is 389498443573. The next prime is 389498443627. The reversal of 389498443619 is 916344894983.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 389498443619 - 212 = 389498439523 is a prime.
It is a super-2 number, since 2×3894984436192 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (389498446619) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194749221809 + 194749221810.
It is an arithmetic number, because the mean of its divisors is an integer number (194749221810).
Almost surely, 2389498443619 is an apocalyptic number.
389498443619 is a deficient number, since it is larger than the sum of its proper divisors (1).
389498443619 is an equidigital number, since it uses as much as digits as its factorization.
389498443619 is an evil number, because the sum of its binary digits is even.
The product of its digits is 161243136, while the sum is 68.
The spelling of 389498443619 in words is "three hundred eighty-nine billion, four hundred ninety-eight million, four hundred forty-three thousand, six hundred nineteen".
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