Base | Representation |
---|---|
bin | 11101010001101010010100… |
… | …000001111100110100010111 |
3 | 121212220001100121221100212201 |
4 | 131101222110001330310113 |
5 | 113334023330330414321 |
6 | 1133502053311425331 |
7 | 36056246546543266 |
oct | 3521522401746427 |
9 | 555801317840781 |
10 | 128757013138711 |
11 | 380315a7256aa1 |
12 | 12535b7b225247 |
13 | 56ac971183aa9 |
14 | 23b1c309205dd |
15 | ed43eaa7a291 |
hex | 751a9407cd17 |
128757013138711 has 2 divisors, whose sum is σ = 128757013138712. Its totient is φ = 128757013138710.
The previous prime is 128757013138697. The next prime is 128757013138783. The reversal of 128757013138711 is 117831310757821.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 128757013138711 - 27 = 128757013138583 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128757013133711) 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, 64378506569355 + 64378506569356.
It is an arithmetic number, because the mean of its divisors is an integer number (64378506569356).
Almost surely, 2128757013138711 is an apocalyptic number.
128757013138711 is a deficient number, since it is larger than the sum of its proper divisors (1).
128757013138711 is an equidigital number, since it uses as much as digits as its factorization.
128757013138711 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1975680, while the sum is 55.
The spelling of 128757013138711 in words is "one hundred twenty-eight trillion, seven hundred fifty-seven billion, thirteen million, one hundred thirty-eight thousand, seven hundred eleven".
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