Base | Representation |
---|---|
bin | 10001111101001000111011… |
… | …100011101101110110100011 |
3 | 101100121021220100221001121022 |
4 | 101331020323203231312203 |
5 | 40322304003042012401 |
6 | 435541304345320055 |
7 | 22430161203140666 |
oct | 2175107343556643 |
9 | 340537810831538 |
10 | 78968267922851 |
11 | 231862885a8aaa |
12 | 8a346b519602b |
13 | 350a8a2703788 |
14 | 157012806b6dd |
15 | 91e22c4aa71b |
hex | 47d23b8edda3 |
78968267922851 has 8 divisors (see below), whose sum is σ = 79438106572800. Its totient is φ = 78499159405128.
The previous prime is 78968267922769. The next prime is 78968267922857. The reversal of 78968267922851 is 15822976286987.
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 78968267922851 - 210 = 78968267921827 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (78968267922857) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182316101 + ... + 182748726.
It is an arithmetic number, because the mean of its divisors is an integer number (9929763321600).
Almost surely, 278968267922851 is an apocalyptic number.
78968267922851 is a deficient number, since it is larger than the sum of its proper divisors (469838649949).
78968267922851 is a wasteful number, since it uses less digits than its factorization.
78968267922851 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 365066113.
The product of its digits is 2926264320, while the sum is 80.
The spelling of 78968267922851 in words is "seventy-eight trillion, nine hundred sixty-eight billion, two hundred sixty-seven million, nine hundred twenty-two thousand, eight hundred fifty-one".
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