Base | Representation |
---|---|
bin | 101011111110110111… |
… | …100010010011010111 |
3 | 11111220020101022000002 |
4 | 223332313202103113 |
5 | 1233204231103442 |
6 | 33410053241515 |
7 | 3261203232005 |
oct | 537667422327 |
9 | 144806338002 |
10 | 47225644247 |
11 | 19034710561 |
12 | 919b93329b |
13 | 45b8050cc2 |
14 | 24000a3a75 |
15 | 1366023732 |
hex | afede24d7 |
47225644247 has 2 divisors, whose sum is σ = 47225644248. Its totient is φ = 47225644246.
The previous prime is 47225644211. The next prime is 47225644273. The reversal of 47225644247 is 74244652274.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 47225644247 - 28 = 47225643991 is a prime.
It is a super-2 number, since 2×472256442472 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (47225641247) 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, 23612822123 + 23612822124.
It is an arithmetic number, because the mean of its divisors is an integer number (23612822124).
Almost surely, 247225644247 is an apocalyptic number.
47225644247 is a deficient number, since it is larger than the sum of its proper divisors (1).
47225644247 is an equidigital number, since it uses as much as digits as its factorization.
47225644247 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3010560, while the sum is 47.
The spelling of 47225644247 in words is "forty-seven billion, two hundred twenty-five million, six hundred forty-four thousand, two hundred forty-seven".
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