Base | Representation |
---|---|
bin | 10111110110110101… |
… | …11101101001010000 |
3 | 1020001121200002021021 |
4 | 23323122331221100 |
5 | 202212332142143 |
6 | 5514533405224 |
7 | 632252626624 |
oct | 137332755120 |
9 | 36047602237 |
10 | 12808084048 |
11 | 5482914131 |
12 | 2595499814 |
13 | 12916b8176 |
14 | 89708d184 |
15 | 4ee692ced |
hex | 2fb6bda50 |
12808084048 has 10 divisors (see below), whose sum is σ = 24815662874. Its totient is φ = 6404042016.
The previous prime is 12808084033. The next prime is 12808084049. The reversal of 12808084048 is 84048080821.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 9621255744 + 3186828304 = 98088^2 + 56452^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12808083995 and 12808084013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12808084049) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400252611 + ... + 400252642.
Almost surely, 212808084048 is an apocalyptic number.
It is an amenable number.
12808084048 is a deficient number, since it is larger than the sum of its proper divisors (12007578826).
12808084048 is an equidigital number, since it uses as much as digits as its factorization.
12808084048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 800505261 (or 800505255 counting only the distinct ones).
The product of its (nonzero) digits is 131072, while the sum is 43.
The spelling of 12808084048 in words is "twelve billion, eight hundred eight million, eighty-four thousand, forty-eight".
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