Base | Representation |
---|---|
bin | 11010001000001011… |
… | …100001001011001111 |
3 | 2200102011112111212112 |
4 | 122020023201023033 |
5 | 424423424241443 |
6 | 20515453454235 |
7 | 2012134344656 |
oct | 321013411317 |
9 | 80364474775 |
10 | 28054524623 |
11 | 10997058644 |
12 | 552b4a137b |
13 | 28512cb738 |
14 | 1501d0419d |
15 | ae2e36b18 |
hex | 6882e12cf |
28054524623 has 2 divisors, whose sum is σ = 28054524624. Its totient is φ = 28054524622.
The previous prime is 28054524607. The next prime is 28054524637. The reversal of 28054524623 is 32642545082.
It is a happy number.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 28054524623 - 24 = 28054524607 is a prime.
It is a super-3 number, since 3×280545246233 (a number of 32 digits) contains 333 as substring.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (28054524653) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14027262311 + 14027262312.
It is an arithmetic number, because the mean of its divisors is an integer number (14027262312).
Almost surely, 228054524623 is an apocalyptic number.
28054524623 is a deficient number, since it is larger than the sum of its proper divisors (1).
28054524623 is an equidigital number, since it uses as much as digits as its factorization.
28054524623 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 460800, while the sum is 41.
The spelling of 28054524623 in words is "twenty-eight billion, fifty-four million, five hundred twenty-four thousand, six hundred twenty-three".
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