Base | Representation |
---|---|
bin | 110100100100011000… |
… | …110010111000010111 |
3 | 12101200202022212021121 |
4 | 310210120302320113 |
5 | 1411044413220422 |
6 | 41532553224411 |
7 | 4035522022033 |
oct | 644430627027 |
9 | 171622285247 |
10 | 56445054487 |
11 | 21a35841968 |
12 | ab33402107 |
13 | 54270c3433 |
14 | 2a366b11c3 |
15 | 17055e08c7 |
hex | d24632e17 |
56445054487 has 2 divisors, whose sum is σ = 56445054488. Its totient is φ = 56445054486.
The previous prime is 56445054401. The next prime is 56445054493. The reversal of 56445054487 is 78445054465.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 56445054487 - 27 = 56445054359 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (56445054587) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28222527243 + 28222527244.
It is an arithmetic number, because the mean of its divisors is an integer number (28222527244).
Almost surely, 256445054487 is an apocalyptic number.
56445054487 is a deficient number, since it is larger than the sum of its proper divisors (1).
56445054487 is an equidigital number, since it uses as much as digits as its factorization.
56445054487 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 10752000, while the sum is 52.
The spelling of 56445054487 in words is "fifty-six billion, four hundred forty-five million, fifty-four thousand, four hundred eighty-seven".
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