Base | Representation |
---|---|
bin | 100101001101001101… |
… | …1011010010010100001 |
3 | 21122020101111012001220 |
4 | 1022122123122102201 |
5 | 2302113433210121 |
6 | 100412232245253 |
7 | 5526001146351 |
oct | 1123233322241 |
9 | 248211435056 |
10 | 79900288161 |
11 | 309816a2101 |
12 | 1359a540829 |
13 | 76c4592525 |
14 | 3c1d820b61 |
15 | 21298746c6 |
hex | 129a6da4a1 |
79900288161 has 8 divisors (see below), whose sum is σ = 106540219680. Its totient is φ = 53263607712.
The previous prime is 79900288123. The next prime is 79900288177. The reversal of 79900288161 is 16188200997.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 79900288161 - 213 = 79900279969 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (79900283161) by changing a digit.
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, 754831 + ... + 854148.
It is an arithmetic number, because the mean of its divisors is an integer number (13317527460).
Almost surely, 279900288161 is an apocalyptic number.
It is an amenable number.
79900288161 is a deficient number, since it is larger than the sum of its proper divisors (26639931519).
79900288161 is a wasteful number, since it uses less digits than its factorization.
79900288161 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1625535.
The product of its (nonzero) digits is 435456, while the sum is 51.
The spelling of 79900288161 in words is "seventy-nine billion, nine hundred million, two hundred eighty-eight thousand, one hundred sixty-one".
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