Base | Representation |
---|---|
bin | 1011010110011010000… |
… | …10010101011111001011 |
3 | 1101021121212100011210000 |
4 | 11223031002111133023 |
5 | 22342143132420334 |
6 | 455054010454043 |
7 | 40114145535000 |
oct | 5531502253713 |
9 | 1337555304700 |
10 | 389986998219 |
11 | 140435547a15 |
12 | 636b9a34323 |
13 | 2aa1104ac10 |
14 | 14c384178a7 |
15 | a22781d299 |
hex | 5acd0957cb |
389986998219 has 320 divisors, whose sum is σ = 768973004800. Its totient is φ = 195465312000.
The previous prime is 389986998161. The next prime is 389986998223. The reversal of 389986998219 is 912899689983.
389986998219 is a `hidden beast` number, since 389 + 98 + 69 + 9 + 82 + 19 = 666.
It is not a de Polignac number, because 389986998219 - 28 = 389986997963 is a prime.
It is a super-2 number, since 2×3899869982192 (a number of 24 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (81).
It is not an unprimeable number, because it can be changed into a prime (389986998259) by changing a digit.
It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 682989204 + ... + 682989774.
It is an arithmetic number, because the mean of its divisors is an integer number (2403040640).
Almost surely, 2389986998219 is an apocalyptic number.
389986998219 is a gapful number since it is divisible by the number (39) formed by its first and last digit.
389986998219 is a deficient number, since it is larger than the sum of its proper divisors (378986006581).
389986998219 is a wasteful number, since it uses less digits than its factorization.
389986998219 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 709 (or 686 counting only the distinct ones).
The product of its digits is 1088391168, while the sum is 81.
The spelling of 389986998219 in words is "three hundred eighty-nine billion, nine hundred eighty-six million, nine hundred ninety-eight thousand, two hundred nineteen".
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