Base | Representation |
---|---|
bin | 10010010001110001101011… |
… | …001000110111001111001011 |
3 | 101112121212100210210000210200 |
4 | 102101301223020313033023 |
5 | 41014022324240204301 |
6 | 442545001013143243 |
7 | 22634504030604516 |
oct | 2221615310671713 |
9 | 345555323700720 |
10 | 80386405397451 |
11 | 236827571a541a |
12 | 902351062ab23 |
13 | 35b1536b7292a |
14 | 15bca1944bd7d |
15 | 94607cacbc86 |
hex | 491c6b2373cb |
80386405397451 has 48 divisors (see below), whose sum is σ = 128297279545344. Its totient is φ = 48242549152512.
The previous prime is 80386405397437. The next prime is 80386405397479. The reversal of 80386405397451 is 15479350468308.
80386405397451 is a `hidden beast` number, since 8 + 0 + 3 + 8 + 6 + 40 + 53 + 97 + 451 = 666.
It is not a de Polignac number, because 80386405397451 - 221 = 80386403300299 is a prime.
It is not an unprimeable number, because it can be changed into a prime (80386405397651) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 56541430 + ... + 57945716.
It is an arithmetic number, because the mean of its divisors is an integer number (2672859990528).
Almost surely, 280386405397451 is an apocalyptic number.
80386405397451 is a deficient number, since it is larger than the sum of its proper divisors (47910874147893).
80386405397451 is a wasteful number, since it uses less digits than its factorization.
80386405397451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1420600 (or 1420597 counting only the distinct ones).
The product of its (nonzero) digits is 87091200, while the sum is 63.
The spelling of 80386405397451 in words is "eighty trillion, three hundred eighty-six billion, four hundred five million, three hundred ninety-seven thousand, four hundred fifty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.079 sec. • engine limits •