Base | Representation |
---|---|
bin | 11011111011001110… |
… | …110001101110011000 |
3 | 2212101200121120012210 |
4 | 123323032301232120 |
5 | 442402044234210 |
6 | 21435205235120 |
7 | 2111023146342 |
oct | 337316615630 |
9 | 85350546183 |
10 | 29984758680 |
11 | 11797683aa8 |
12 | 5989a02aa0 |
13 | 2a9b189976 |
14 | 16463dc292 |
15 | ba7617e20 |
hex | 6fb3b1b98 |
29984758680 has 128 divisors (see below), whose sum is σ = 96893521920. Its totient is φ = 7401546240.
The previous prime is 29984758673. The next prime is 29984758697. The reversal of 29984758680 is 8685748992.
It is a congruent number.
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, 89667 + ... + 260786.
It is an arithmetic number, because the mean of its divisors is an integer number (756980640).
Almost surely, 229984758680 is an apocalyptic number.
29984758680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29984758680 is an abundant number, since it is smaller than the sum of its proper divisors (66908763240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29984758680 is a wasteful number, since it uses less digits than its factorization.
29984758680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 350521 (or 350517 counting only the distinct ones).
The product of its (nonzero) digits is 69672960, while the sum is 66.
The spelling of 29984758680 in words is "twenty-nine billion, nine hundred eighty-four million, seven hundred fifty-eight thousand, six hundred eighty".
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