Base | Representation |
---|---|
bin | 100000000010010011… |
… | …1001010001001011011 |
3 | 20120120120102010102100 |
4 | 1000010213022021123 |
5 | 2111343443211104 |
6 | 51334351134443 |
7 | 4653564403656 |
oct | 1000447121133 |
9 | 216516363370 |
10 | 68796850779 |
11 | 271a4035278 |
12 | 113bbb14423 |
13 | 66450bc937 |
14 | 3488d0689d |
15 | 1bc9ba2139 |
hex | 10049ca25b |
68796850779 has 12 divisors (see below), whose sum is σ = 99381955816. Its totient is φ = 45860539392.
The previous prime is 68796850709. The next prime is 68796850783. The reversal of 68796850779 is 97705869786.
It is not a de Polignac number, because 68796850779 - 28 = 68796850523 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (68796850709) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 225574 + ... + 434139.
Almost surely, 268796850779 is an apocalyptic number.
68796850779 is a deficient number, since it is larger than the sum of its proper divisors (30585105037).
68796850779 is a wasteful number, since it uses less digits than its factorization.
68796850779 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 671306 (or 671303 counting only the distinct ones).
The product of its (nonzero) digits is 320060160, while the sum is 72.
The spelling of 68796850779 in words is "sixty-eight billion, seven hundred ninety-six million, eight hundred fifty thousand, seven hundred seventy-nine".
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