Base | Representation |
---|---|
bin | 110010101100010010… |
… | …011110010100011111 |
3 | 12012111022220011112211 |
4 | 302230102132110133 |
5 | 1342433103201422 |
6 | 41001014341251 |
7 | 3634554324664 |
oct | 625422362437 |
9 | 165438804484 |
10 | 54430131487 |
11 | 210a1432446 |
12 | a67065a827 |
13 | 51958227c4 |
14 | 28c4c4da6b |
15 | 1638781577 |
hex | cac49e51f |
54430131487 has 2 divisors, whose sum is σ = 54430131488. Its totient is φ = 54430131486.
The previous prime is 54430131433. The next prime is 54430131517. The reversal of 54430131487 is 78413103445.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 54430131487 - 215 = 54430098719 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (54430134487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27215065743 + 27215065744.
It is an arithmetic number, because the mean of its divisors is an integer number (27215065744).
Almost surely, 254430131487 is an apocalyptic number.
54430131487 is a deficient number, since it is larger than the sum of its proper divisors (1).
54430131487 is an equidigital number, since it uses as much as digits as its factorization.
54430131487 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 161280, while the sum is 40.
The spelling of 54430131487 in words is "fifty-four billion, four hundred thirty million, one hundred thirty-one thousand, four hundred eighty-seven".
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