Base | Representation |
---|---|
bin | 100101010000001011… |
… | …1110010000000001000 |
3 | 21122111100010002000021 |
4 | 1022200113302000020 |
5 | 2302320000000013 |
6 | 100430153350224 |
7 | 5531321531425 |
oct | 1124027620010 |
9 | 248440102007 |
10 | 80000000008 |
11 | 30a22a07095 |
12 | 13607a08374 |
13 | 770c134b16 |
14 | 3c2cb78d4c |
15 | 21334bda8d |
hex | 12a05f2008 |
80000000008 has 32 divisors (see below), whose sum is σ = 151533348120. Its totient is φ = 39591360000.
The previous prime is 79999999999. The next prime is 80000000021.
80000000008 is nontrivially palindromic in base 10.
It can be written as a sum of positive squares in 4 ways, for example, as 73843714564 + 6156285444 = 271742^2 + 78462^2 .
80000000008 is a strobogrammatic number because it is the same when read upside-down.
It is a junction number, because it is equal to n+sod(n) for n = 79999999919 and 80000000000.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847148 + ... + 2875108.
Almost surely, 280000000008 is an apocalyptic number.
It is an amenable number.
80000000008 is a deficient number, since it is larger than the sum of its proper divisors (71533348112).
80000000008 is a wasteful number, since it uses less digits than its factorization.
80000000008 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31609 (or 31605 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 16.
It can be divided in two parts, 8000000000 and 8, that multiplied together give a cube (64000000000 = 40003).
The spelling of 80000000008 in words is "eighty billion, eight", and thus it is an aban number and an uban number.
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