Base | Representation |
---|---|
bin | 110100100110111101… |
… | …111011111111101011 |
3 | 12101210202210021111101 |
4 | 310212331323333223 |
5 | 1411142004024304 |
6 | 41541141142231 |
7 | 4036556005111 |
oct | 644675737753 |
9 | 171722707441 |
10 | 56488345579 |
11 | 21a58220126 |
12 | ab459ba977 |
13 | 543306cc73 |
14 | 2a3c33dab1 |
15 | 17092e28a4 |
hex | d26f7bfeb |
56488345579 has 2 divisors, whose sum is σ = 56488345580. Its totient is φ = 56488345578.
The previous prime is 56488345559. The next prime is 56488345687. The reversal of 56488345579 is 97554388465.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 56488345579 - 217 = 56488214507 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 56488345579.
It is not a weakly prime, because it can be changed into another prime (56488345559) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28244172789 + 28244172790.
It is an arithmetic number, because the mean of its divisors is an integer number (28244172790).
Almost surely, 256488345579 is an apocalyptic number.
56488345579 is a deficient number, since it is larger than the sum of its proper divisors (1).
56488345579 is an equidigital number, since it uses as much as digits as its factorization.
56488345579 is an evil number, because the sum of its binary digits is even.
The product of its digits is 145152000, while the sum is 64.
The spelling of 56488345579 in words is "fifty-six billion, four hundred eighty-eight million, three hundred forty-five thousand, five hundred seventy-nine".
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