Base | Representation |
---|---|
bin | 100101101000010001… |
… | …0000101001111111000 |
3 | 21201120122112001202010 |
4 | 1023100202011033320 |
5 | 2310443322203043 |
6 | 101042300005520 |
7 | 5560332503055 |
oct | 1132042051770 |
9 | 251518461663 |
10 | 80808006648 |
11 | 312a8016476 |
12 | 137b25308a0 |
13 | 780a65c165 |
14 | 3ca81ca02c |
15 | 217e3c8133 |
hex | 12d08853f8 |
80808006648 has 16 divisors (see below), whose sum is σ = 202020016680. Its totient is φ = 26936002208.
The previous prime is 80808006637. The next prime is 80808006649. The reversal of 80808006648 is 84660080808.
It is a junction number, because it is equal to n+sod(n) for n = 80808006597 and 80808006606.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (80808006649) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1683500115 + ... + 1683500162.
Almost surely, 280808006648 is an apocalyptic number.
It is an amenable number.
80808006648 is an abundant number, since it is smaller than the sum of its proper divisors (121212010032).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80808006648 is a wasteful number, since it uses less digits than its factorization.
80808006648 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3367000286 (or 3367000282 counting only the distinct ones).
The product of its (nonzero) digits is 589824, while the sum is 48.
The spelling of 80808006648 in words is "eighty billion, eight hundred eight million, six thousand, six hundred forty-eight".
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