Base | Representation |
---|---|
bin | 100000001110101001… |
… | …1010000101011101101 |
3 | 20121122102211101121100 |
4 | 1000131103100223231 |
5 | 2113221013040234 |
6 | 51443425153313 |
7 | 5000054226546 |
oct | 1003523205355 |
9 | 217572741540 |
10 | 69211065069 |
11 | 27396929633 |
12 | 114b678b839 |
13 | 66acb6a053 |
14 | 34c7d2b4cd |
15 | 1c01222399 |
hex | 101d4d0aed |
69211065069 has 12 divisors (see below), whose sum is σ = 99974101500. Its totient is φ = 46139527104.
The previous prime is 69211065029. The next prime is 69211065083. The reversal of 69211065069 is 96056011296.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 4568002569 + 64643062500 = 67587^2 + 254250^2 .
It is not a de Polignac number, because 69211065069 - 233 = 60621130477 is a prime.
It is a super-2 number, since 2×692110650692 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (69211065029) 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 11 ways as a sum of consecutive naturals, for example, 410137 + ... + 553745.
It is an arithmetic number, because the mean of its divisors is an integer number (8331175125).
Almost surely, 269211065069 is an apocalyptic number.
It is an amenable number.
69211065069 is a deficient number, since it is larger than the sum of its proper divisors (30763036431).
69211065069 is a wasteful number, since it uses less digits than its factorization.
69211065069 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 197164 (or 197161 counting only the distinct ones).
The product of its (nonzero) digits is 174960, while the sum is 45.
The spelling of 69211065069 in words is "sixty-nine billion, two hundred eleven million, sixty-five thousand, sixty-nine".
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