Base | Representation |
---|---|
bin | 100101010010000100… |
… | …0111010101110111111 |
3 | 21122122202001121012220 |
4 | 1022210020322232333 |
5 | 2302432140244404 |
6 | 100440332300423 |
7 | 5533020035355 |
oct | 1124410725677 |
9 | 248582047186 |
10 | 80063212479 |
11 | 30a556615a8 |
12 | 13625011713 |
13 | 771c268053 |
14 | 3c373117d5 |
15 | 2138d084d9 |
hex | 12a423abbf |
80063212479 has 4 divisors (see below), whose sum is σ = 106750949976. Its totient is φ = 53375474984.
The previous prime is 80063212477. The next prime is 80063212483. The reversal of 80063212479 is 97421236008.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 80063212479 - 21 = 80063212477 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80063212479.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80063212477) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13343868744 + ... + 13343868749.
It is an arithmetic number, because the mean of its divisors is an integer number (26687737494).
Almost surely, 280063212479 is an apocalyptic number.
80063212479 is a deficient number, since it is larger than the sum of its proper divisors (26687737497).
80063212479 is a wasteful number, since it uses less digits than its factorization.
80063212479 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26687737496.
The product of its (nonzero) digits is 145152, while the sum is 42.
The spelling of 80063212479 in words is "eighty billion, sixty-three million, two hundred twelve thousand, four hundred seventy-nine".
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