Base | Representation |
---|---|
bin | 100101011110110101… |
… | …0100011011100010000 |
3 | 21200202120212211212211 |
4 | 1022331222203130100 |
5 | 2304321303212433 |
6 | 100551031201504 |
7 | 5546440060444 |
oct | 1127552433420 |
9 | 250676784784 |
10 | 80491460368 |
11 | 31155370580 |
12 | 13724516294 |
13 | 7789bb9c77 |
14 | 3c7814a824 |
15 | 21616eb8cd |
hex | 12bdaa3710 |
80491460368 has 20 divisors (see below), whose sum is σ = 170129677968. Its totient is φ = 36587027360.
The previous prime is 80491460339. The next prime is 80491460459. The reversal of 80491460368 is 86306419408.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228668746 + ... + 228669097.
Almost surely, 280491460368 is an apocalyptic number.
80491460368 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
80491460368 is an abundant number, since it is smaller than the sum of its proper divisors (89638217600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80491460368 is a wasteful number, since it uses less digits than its factorization.
80491460368 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 457337862 (or 457337856 counting only the distinct ones).
The product of its (nonzero) digits is 995328, while the sum is 49.
The spelling of 80491460368 in words is "eighty billion, four hundred ninety-one million, four hundred sixty thousand, three hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •