Base | Representation |
---|---|
bin | 10101100110000101010101… |
… | …11101100010011110010001 |
3 | 20020010210220020012012011111 |
4 | 22303002222331202132101 |
5 | 22211020434312331111 |
6 | 244555410455213321 |
7 | 13000616366502442 |
oct | 1263025275423621 |
9 | 206123806165144 |
10 | 47488026683281 |
11 | 14149617063838 |
12 | 53ab5b8077241 |
13 | 206614258c762 |
14 | ba260b6a12c9 |
15 | 575414ceea21 |
hex | 2b30aaf62791 |
47488026683281 has 2 divisors, whose sum is σ = 47488026683282. Its totient is φ = 47488026683280.
The previous prime is 47488026683267. The next prime is 47488026683299. The reversal of 47488026683281 is 18238662088474.
47488026683281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 25548020795025 + 21940005888256 = 5054505^2 + 4684016^2 .
It is a cyclic number.
It is not a de Polignac number, because 47488026683281 - 29 = 47488026682769 is a prime.
It is a super-2 number, since 2×474880266832812 (a number of 28 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (47488026183281) 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 as a sum of consecutive naturals, namely, 23744013341640 + 23744013341641.
It is an arithmetic number, because the mean of its divisors is an integer number (23744013341641).
Almost surely, 247488026683281 is an apocalyptic number.
It is an amenable number.
47488026683281 is a deficient number, since it is larger than the sum of its proper divisors (1).
47488026683281 is an equidigital number, since it uses as much as digits as its factorization.
47488026683281 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 198180864, while the sum is 67.
The spelling of 47488026683281 in words is "forty-seven trillion, four hundred eighty-eight billion, twenty-six million, six hundred eighty-three thousand, two hundred eighty-one".
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