| Base | Representation |
|---|---|
| bin | 10010011111100011… |
| … | …10010001010100110 |
| 3 | 221121221000020002000 |
| 4 | 21033301302022212 |
| 5 | 130313131311230 |
| 6 | 4321103430130 |
| 7 | 501014611263 |
| oct | 111761621246 |
| 9 | 27557006060 |
| 10 | 9928385190 |
| 11 | 4235350819 |
| 12 | 1b10bb5346 |
| 13 | c22c04949 |
| 14 | 6a284026a |
| 15 | 3d1963b60 |
| hex | 24fc722a6 |
9928385190 has 128 divisors (see below), whose sum is σ = 28272844800. Its totient is φ = 2473752960.
The previous prime is 9928385189. The next prime is 9928385209. The reversal of 9928385190 is 915838299.
9928385190 is a `hidden beast` number, since 9 + 92 + 8 + 38 + 519 + 0 = 666.
9928385190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×99283851902 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 222279 + ... + 263181.
It is an arithmetic number, because the mean of its divisors is an integer number (220881600).
Almost surely, 29928385190 is an apocalyptic number.
9928385190 is a gapful number since it is divisible by the number (90) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 9928385190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14136422400).
9928385190 is an abundant number, since it is smaller than the sum of its proper divisors (18344459610).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
9928385190 is a wasteful number, since it uses less digits than its factorization.
9928385190 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 40979 (or 40973 counting only the distinct ones).
The product of its (nonzero) digits is 1399680, while the sum is 54.
The square root of 9928385190 is about 99641.2825589876. The cubic root of 9928385190 is about 2149.2793827986.
The spelling of 9928385190 in words is "nine billion, nine hundred twenty-eight million, three hundred eighty-five thousand, one hundred ninety".
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