Base | Representation |
---|---|
bin | 10001110110111100010111… |
… | …000010001111110101101000 |
3 | 101022002120210121210102012210 |
4 | 101312330113002033311220 |
5 | 40243314421033011310 |
6 | 435013523250405120 |
7 | 22354335133364025 |
oct | 2166742702176550 |
9 | 338076717712183 |
10 | 78542453407080 |
11 | 23031738394953 |
12 | 89860788907a0 |
13 | 34a96a1b95c40 |
14 | 155769169854c |
15 | 91310964b820 |
hex | 476f1708fd68 |
78542453407080 has 64 divisors (see below), whose sum is σ = 253752541781760. Its totient is φ = 19333526992128.
The previous prime is 78542453407079. The next prime is 78542453407127. The reversal of 78542453407080 is 8070435424587.
78542453407080 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a self number, because there is not a number n which added to its sum of digits gives 78542453407080.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25173861712 + ... + 25173864831.
It is an arithmetic number, because the mean of its divisors is an integer number (3964883465340).
Almost surely, 278542453407080 is an apocalyptic number.
It is an amenable number.
78542453407080 is an abundant number, since it is smaller than the sum of its proper divisors (175210088374680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
78542453407080 is a wasteful number, since it uses less digits than its factorization.
78542453407080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 50347726570 (or 50347726566 counting only the distinct ones).
The product of its (nonzero) digits is 30105600, while the sum is 57.
The spelling of 78542453407080 in words is "seventy-eight trillion, five hundred forty-two billion, four hundred fifty-three million, four hundred seven thousand, eighty".
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