Base | Representation |
---|---|
bin | 111011110111001100… |
… | …0100001111001000111 |
3 | 110021211010000100210021 |
4 | 1313232120201321013 |
5 | 4101234141144041 |
6 | 135020122440011 |
7 | 12200450242306 |
oct | 1675630417107 |
9 | 407733010707 |
10 | 128553459271 |
11 | 4a579092726 |
12 | 20ab8363007 |
13 | c1792ac383 |
14 | 631732043d |
15 | 3525d78cd1 |
hex | 1dee621e47 |
128553459271 has 2 divisors, whose sum is σ = 128553459272. Its totient is φ = 128553459270.
The previous prime is 128553459253. The next prime is 128553459277. The reversal of 128553459271 is 172954355821.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 128553459271 - 213 = 128553451079 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (128553459277) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64276729635 + 64276729636.
It is an arithmetic number, because the mean of its divisors is an integer number (64276729636).
Almost surely, 2128553459271 is an apocalyptic number.
128553459271 is a deficient number, since it is larger than the sum of its proper divisors (1).
128553459271 is an equidigital number, since it uses as much as digits as its factorization.
128553459271 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 3024000, while the sum is 52.
The spelling of 128553459271 in words is "one hundred twenty-eight billion, five hundred fifty-three million, four hundred fifty-nine thousand, two hundred seventy-one".
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