Base | Representation |
---|---|
bin | 100010000110101000111101… |
… | …101000101011110010100000 |
3 | 201200001220002202122102211000 |
4 | 202012220331220223302200 |
5 | 124124413234242024313 |
6 | 1251000222303552000 |
7 | 43410261046102035 |
oct | 4206507550536240 |
9 | 650056082572730 |
10 | 149989881986208 |
11 | 438783961757a0 |
12 | 149a5063bbb600 |
13 | 658cca659b8c4 |
14 | 290779873738c |
15 | 12518ab00e673 |
hex | 886a3da2bca0 |
149989881986208 has 192 divisors, whose sum is σ = 477328571274240. Its totient is φ = 45443094854400.
The previous prime is 149989881986167. The next prime is 149989881986303. The reversal of 149989881986208 is 802689188989941.
149989881986208 is a `hidden beast` number, since 1 + 49 + 98 + 98 + 8 + 198 + 6 + 208 = 666.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50163291 + ... + 53069157.
It is an arithmetic number, because the mean of its divisors is an integer number (2486086308720).
Almost surely, 2149989881986208 is an apocalyptic number.
149989881986208 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 149989881986208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238664285637120).
149989881986208 is an abundant number, since it is smaller than the sum of its proper divisors (327338689288032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
149989881986208 is a wasteful number, since it uses less digits than its factorization.
149989881986208 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2911328 (or 2911314 counting only the distinct ones).
The product of its (nonzero) digits is 10319560704, while the sum is 90.
The spelling of 149989881986208 in words is "one hundred forty-nine trillion, nine hundred eighty-nine billion, eight hundred eighty-one million, nine hundred eighty-six thousand, two hundred eight".
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