Base | Representation |
---|---|
bin | 111101101001000… |
… | …1000001011111101 |
3 | 12100010222001101012 |
4 | 1323102020023331 |
5 | 13213444142233 |
6 | 541123525005 |
7 | 102153453014 |
oct | 17322101375 |
9 | 5303861335 |
10 | 2068349693 |
11 | 971590813 |
12 | 498829765 |
13 | 26c688977 |
14 | 1589aba7b |
15 | c18b4548 |
hex | 7b4882fd |
2068349693 has 8 divisors (see below), whose sum is σ = 2192779512. Its totient is φ = 1944226816.
The previous prime is 2068349677. The next prime is 2068349707. The reversal of 2068349693 is 3969438602.
It can be written as a sum of positive squares in 4 ways, for example, as 476898244 + 1591451449 = 21838^2 + 39893^2 .
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 2068349693 - 24 = 2068349677 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2068349623) 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 7 ways as a sum of consecutive naturals, for example, 62780 + ... + 89877.
It is an arithmetic number, because the mean of its divisors is an integer number (274097439).
Almost surely, 22068349693 is an apocalyptic number.
It is an amenable number.
2068349693 is a deficient number, since it is larger than the sum of its proper divisors (124429819).
2068349693 is a wasteful number, since it uses less digits than its factorization.
2068349693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153471.
The product of its (nonzero) digits is 1679616, while the sum is 50.
The square root of 2068349693 is about 45479.1127112216. The cubic root of 2068349693 is about 1274.1131226735.
The spelling of 2068349693 in words is "two billion, sixty-eight million, three hundred forty-nine thousand, six hundred ninety-three".
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