Base | Representation |
---|---|
bin | 10010010011100010111100… |
… | …101100100101100000100101 |
3 | 101120001111022020012022000102 |
4 | 102103202330230211200211 |
5 | 41023020422344111210 |
6 | 443120514002353445 |
7 | 22646341050512231 |
oct | 2223427454454045 |
9 | 346044266168012 |
10 | 80508032800805 |
11 | 2371a2a0748795 |
12 | 9042bb535b885 |
13 | 35bcb4b268b5c |
14 | 15c487697d5c1 |
15 | 9492ea895ea5 |
hex | 4938bcb25825 |
80508032800805 has 32 divisors (see below), whose sum is σ = 101288108912640. Its totient is φ = 61357213532160.
The previous prime is 80508032800733. The next prime is 80508032800823. The reversal of 80508032800805 is 50800823080508.
It is a happy number.
It is not a de Polignac number, because 80508032800805 - 216 = 80508032735269 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 80508032800805.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5628284 + ... + 13881413.
It is an arithmetic number, because the mean of its divisors is an integer number (3165253403520).
Almost surely, 280508032800805 is an apocalyptic number.
It is an amenable number.
80508032800805 is a deficient number, since it is larger than the sum of its proper divisors (20780076111835).
80508032800805 is a wasteful number, since it uses less digits than its factorization.
80508032800805 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19510149.
The product of its (nonzero) digits is 614400, while the sum is 47.
The spelling of 80508032800805 in words is "eighty trillion, five hundred eight billion, thirty-two million, eight hundred thousand, eight hundred five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.146 sec. • engine limits •