Base | Representation |
---|---|
bin | 11011000010010101… |
… | …111011001110010000 |
3 | 2202221011200121221211 |
4 | 123002111323032100 |
5 | 433423231100110 |
6 | 21200352425504 |
7 | 2045253513226 |
oct | 330225731620 |
9 | 82834617854 |
10 | 29030331280 |
11 | 11347957625 |
12 | 5762248294 |
13 | 2978517922 |
14 | 1595754b16 |
15 | b4d93998a |
hex | 6c257b390 |
29030331280 has 40 divisors (see below), whose sum is σ = 67739238072. Its totient is φ = 11570202624.
The previous prime is 29030331271. The next prime is 29030331293. The reversal of 29030331280 is 8213303092.
It can be written as a sum of positive squares in 4 ways, for example, as 2253590784 + 26776740496 = 47472^2 + 163636^2 .
It is a tau number, because it is divible by the number of its divisors (40).
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 7 ways as a sum of consecutive naturals, for example, 632857 + ... + 677176.
Almost surely, 229030331280 is an apocalyptic number.
29030331280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
29030331280 is an abundant number, since it is smaller than the sum of its proper divisors (38708906792).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
29030331280 is a wasteful number, since it uses less digits than its factorization.
29030331280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1310323 (or 1310317 counting only the distinct ones).
The product of its (nonzero) digits is 7776, while the sum is 31.
The spelling of 29030331280 in words is "twenty-nine billion, thirty million, three hundred thirty-one thousand, two hundred eighty".
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