Base | Representation |
---|---|
bin | 100001111001110110… |
… | …0100000100101001000 |
3 | 20221221010010000201012 |
4 | 1003303230200211020 |
5 | 2143102322224013 |
6 | 53240400143052 |
7 | 5155151566631 |
oct | 1036354404510 |
9 | 227833100635 |
10 | 72808008008 |
11 | 2897224a04a |
12 | 1213b307a88 |
13 | 6b34119858 |
14 | 3749922888 |
15 | 1d61dcd1a8 |
hex | 10f3b20948 |
72808008008 has 8 divisors (see below), whose sum is σ = 136515015030. Its totient is φ = 36404004000.
The previous prime is 72808007977. The next prime is 72808008023. The reversal of 72808008008 is 80080080827.
It can be written as a sum of positive squares in only one way, i.e., 70712382724 + 2095625284 = 265918^2 + 45778^2 .
It is a tau number, because it is divible by the number of its divisors (8).
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4550500493 + ... + 4550500508.
Almost surely, 272808008008 is an apocalyptic number.
It is an amenable number.
72808008008 is a deficient number, since it is larger than the sum of its proper divisors (63707007022).
72808008008 is a wasteful number, since it uses less digits than its factorization.
72808008008 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9101001007 (or 9101001003 counting only the distinct ones).
The product of its (nonzero) digits is 57344, while the sum is 41.
The spelling of 72808008008 in words is "seventy-two billion, eight hundred eight million, eight thousand, eight".
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