Base | Representation |
---|---|
bin | 1111111000010001101… |
… | …0001000100010100001 |
3 | 222002011012120112110122 |
4 | 3332010122020202201 |
5 | 13432200410223011 |
6 | 325154040410025 |
7 | 25465226665022 |
oct | 3760432104241 |
9 | 862135515418 |
10 | 272804382881 |
11 | a5771a64678 |
12 | 44a55776915 |
13 | 1c957769984 |
14 | d2bd33cc49 |
15 | 7169d883db |
hex | 3f846888a1 |
272804382881 has 2 divisors, whose sum is σ = 272804382882. Its totient is φ = 272804382880.
The previous prime is 272804382791. The next prime is 272804382887. The reversal of 272804382881 is 188283408272.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 149100238225 + 123704144656 = 386135^2 + 351716^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-272804382881 is a prime.
It is a super-2 number, since 2×2728043828812 (a number of 24 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (272804382887) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136402191440 + 136402191441.
It is an arithmetic number, because the mean of its divisors is an integer number (136402191441).
Almost surely, 2272804382881 is an apocalyptic number.
It is an amenable number.
272804382881 is a deficient number, since it is larger than the sum of its proper divisors (1).
272804382881 is an equidigital number, since it uses as much as digits as its factorization.
272804382881 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 2752512, while the sum is 53.
The spelling of 272804382881 in words is "two hundred seventy-two billion, eight hundred four million, three hundred eighty-two thousand, eight hundred eighty-one".
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