Base | Representation |
---|---|
bin | 100000001100001100… |
… | …1110011011100111001 |
3 | 20121102201012200110020 |
4 | 1000120121303130321 |
5 | 2113033444104030 |
6 | 51431332041053 |
7 | 4665035622534 |
oct | 1003031633471 |
9 | 217381180406 |
10 | 69128894265 |
11 | 27354505482 |
12 | 11493163189 |
13 | 6698b29882 |
14 | 34bb05ba1b |
15 | 1be8de0510 |
hex | 1018673739 |
69128894265 has 16 divisors (see below), whose sum is σ = 117112480128. Its totient is φ = 34699993856.
The previous prime is 69128894249. The next prime is 69128894267. The reversal of 69128894265 is 56249882196.
It is a cyclic number.
It is not a de Polignac number, because 69128894265 - 24 = 69128894249 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 69128894199 and 69128894208.
It is not an unprimeable number, because it can be changed into a prime (69128894267) 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 in 15 ways as a sum of consecutive naturals, for example, 135546597 + ... + 135547106.
It is an arithmetic number, because the mean of its divisors is an integer number (7319530008).
Almost surely, 269128894265 is an apocalyptic number.
It is an amenable number.
69128894265 is a deficient number, since it is larger than the sum of its proper divisors (47983585863).
69128894265 is a wasteful number, since it uses less digits than its factorization.
69128894265 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 271093728.
The product of its digits is 14929920, while the sum is 60.
The spelling of 69128894265 in words is "sixty-nine billion, one hundred twenty-eight million, eight hundred ninety-four thousand, two hundred sixty-five".
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