Base | Representation |
---|---|
bin | 11010011101111011… |
… | …000011101110110111 |
3 | 2201100120221110020102 |
4 | 122131323003232313 |
5 | 431200320332341 |
6 | 21020004224315 |
7 | 2024154064511 |
oct | 323573035667 |
9 | 81316843212 |
10 | 28419308471 |
11 | 11063a600a4 |
12 | 561169b09b |
13 | 28aba5ca78 |
14 | 153853cbb1 |
15 | b14e90c9b |
hex | 69dec3bb7 |
28419308471 has 2 divisors, whose sum is σ = 28419308472. Its totient is φ = 28419308470.
The previous prime is 28419308419. The next prime is 28419308537. The reversal of 28419308471 is 17480391482.
It is a weak prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-28419308471 is a prime.
It is a super-3 number, since 3×284193084713 (a number of 32 digits) contains 333 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28419308171) 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, 14209654235 + 14209654236.
It is an arithmetic number, because the mean of its divisors is an integer number (14209654236).
Almost surely, 228419308471 is an apocalyptic number.
28419308471 is a deficient number, since it is larger than the sum of its proper divisors (1).
28419308471 is an equidigital number, since it uses as much as digits as its factorization.
28419308471 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 387072, while the sum is 47.
The spelling of 28419308471 in words is "twenty-eight billion, four hundred nineteen million, three hundred eight thousand, four hundred seventy-one".
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