Base | Representation |
---|---|
bin | 1111110111100110011… |
… | …0010101011010100011 |
3 | 222001200120022221210021 |
4 | 3331321212111122203 |
5 | 13431312444010341 |
6 | 325124041414311 |
7 | 25460565352123 |
oct | 3757146253243 |
9 | 861616287707 |
10 | 272623031971 |
11 | a5689659a94 |
12 | 44a04a9a397 |
13 | 1c929011c44 |
14 | d2a3212c83 |
15 | 7158eb49d1 |
hex | 3f799956a3 |
272623031971 has 4 divisors (see below), whose sum is σ = 272671383600. Its totient is φ = 272574680344.
The previous prime is 272623031917. The next prime is 272623031977. The reversal of 272623031971 is 179130326272.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 272623031971 - 27 = 272623031843 is a prime.
It is a super-2 number, since 2×2726230319712 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (272623031977) 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 3 ways as a sum of consecutive naturals, for example, 24167356 + ... + 24178633.
It is an arithmetic number, because the mean of its divisors is an integer number (68167845900).
Almost surely, 2272623031971 is an apocalyptic number.
272623031971 is a deficient number, since it is larger than the sum of its proper divisors (48351629).
272623031971 is an equidigital number, since it uses as much as digits as its factorization.
272623031971 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48351628.
The product of its (nonzero) digits is 190512, while the sum is 43.
The spelling of 272623031971 in words is "two hundred seventy-two billion, six hundred twenty-three million, thirty-one thousand, nine hundred seventy-one".
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