Base | Representation |
---|---|
bin | 100000001001110011… |
… | …0101010111110001001 |
3 | 20121020002201012110100 |
4 | 1000103212222332021 |
5 | 2112402341200241 |
6 | 51415334240013 |
7 | 4663040362113 |
oct | 1002346527611 |
9 | 217202635410 |
10 | 69048381321 |
11 | 27313013957 |
12 | 114701b6009 |
13 | 6685249b8a |
14 | 34b04a03b3 |
15 | 1be1cd99b6 |
hex | 10139aaf89 |
69048381321 has 12 divisors (see below), whose sum is σ = 99773676340. Its totient is φ = 46015119360.
The previous prime is 69048381317. The next prime is 69048381341. The reversal of 69048381321 is 12318384096.
69048381321 is a `hidden beast` number, since 6 + 90 + 483 + 81 + 3 + 2 + 1 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 40280490000 + 28767891321 = 200700^2 + 169611^2 .
It is not a de Polignac number, because 69048381321 - 22 = 69048381317 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (69048381341) 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, 1402360 + ... + 1450761.
Almost surely, 269048381321 is an apocalyptic number.
It is an amenable number.
69048381321 is a deficient number, since it is larger than the sum of its proper divisors (30725295019).
69048381321 is a wasteful number, since it uses less digits than its factorization.
69048381321 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2855816 (or 2855813 counting only the distinct ones).
The product of its (nonzero) digits is 248832, while the sum is 45.
The spelling of 69048381321 in words is "sixty-nine billion, forty-eight million, three hundred eighty-one thousand, three hundred twenty-one".
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