Base | Representation |
---|---|
bin | 111011101110000101… |
… | …0110101100111001101 |
3 | 110021000211000100000201 |
4 | 1313130022311213031 |
5 | 4100122424131031 |
6 | 134525525053501 |
7 | 12160046665123 |
oct | 1673412654715 |
9 | 407024010021 |
10 | 128247880141 |
11 | 4a431648597 |
12 | 20a31b57291 |
13 | c12abaa014 |
14 | 62c88d7913 |
15 | 3509116d61 |
hex | 1ddc2b59cd |
128247880141 has 8 divisors (see below), whose sum is σ = 130085448768. Its totient is φ = 126411180000.
The previous prime is 128247880127. The next prime is 128247880169. The reversal of 128247880141 is 141088742821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 128247880141 - 25 = 128247880109 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 128247880091 and 128247880100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (128247880171) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83286 + ... + 513256.
It is an arithmetic number, because the mean of its divisors is an integer number (16260681096).
Almost surely, 2128247880141 is an apocalyptic number.
It is an amenable number.
128247880141 is a deficient number, since it is larger than the sum of its proper divisors (1837568627).
128247880141 is an equidigital number, since it uses as much as digits as its factorization.
128247880141 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 434243.
The product of its (nonzero) digits is 229376, while the sum is 46.
The spelling of 128247880141 in words is "one hundred twenty-eight billion, two hundred forty-seven million, eight hundred eighty thousand, one hundred forty-one".
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