Base | Representation |
---|---|
bin | 11011111011011101… |
… | …110011101001101010 |
3 | 2212101222000201221120 |
4 | 123323131303221222 |
5 | 442404101324410 |
6 | 21435425520110 |
7 | 2111101506354 |
oct | 337335635152 |
9 | 85358021846 |
10 | 29988698730 |
11 | 11799925241 |
12 | 598b1a3036 |
13 | 2a9bc39163 |
14 | 1646b460d4 |
15 | ba7b45570 |
hex | 6fb773a6a |
29988698730 has 16 divisors (see below), whose sum is σ = 71972877024. Its totient is φ = 7996986320.
The previous prime is 29988698723. The next prime is 29988698731. The reversal of 29988698730 is 3789688992.
It is a super-2 number, since 2×299886987302 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (29988698731) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499811616 + ... + 499811675.
It is an arithmetic number, because the mean of its divisors is an integer number (4498304814).
Almost surely, 229988698730 is an apocalyptic number.
29988698730 is an abundant number, since it is smaller than the sum of its proper divisors (41984178294).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29988698730 is a wasteful number, since it uses less digits than its factorization.
29988698730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 999623301.
The product of its (nonzero) digits is 94058496, while the sum is 69.
The spelling of 29988698730 in words is "twenty-nine billion, nine hundred eighty-eight million, six hundred ninety-eight thousand, seven hundred thirty".
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