Base | Representation |
---|---|
bin | 10111110111111011… |
… | …01011001010011100 |
3 | 1020002020210101012212 |
4 | 23323331223022130 |
5 | 202222144332023 |
6 | 5515500415552 |
7 | 632423155412 |
oct | 137375531234 |
9 | 36066711185 |
10 | 12817183388 |
11 | 5487a69649 |
12 | 25985475b8 |
13 | 1293552aa9 |
14 | 89837b2b2 |
15 | 50038de78 |
hex | 2fbf6b29c |
12817183388 has 12 divisors (see below), whose sum is σ = 23749486992. Its totient is φ = 6031615680.
The previous prime is 12817183387. The next prime is 12817183391. The reversal of 12817183388 is 88338171821.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12817183387) 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, 94243928 + ... + 94244063.
It is an arithmetic number, because the mean of its divisors is an integer number (1979123916).
Almost surely, 212817183388 is an apocalyptic number.
It is an amenable number.
12817183388 is a deficient number, since it is larger than the sum of its proper divisors (10932303604).
12817183388 is a wasteful number, since it uses less digits than its factorization.
12817183388 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 188488012 (or 188488010 counting only the distinct ones).
The product of its digits is 516096, while the sum is 50.
The spelling of 12817183388 in words is "twelve billion, eight hundred seventeen million, one hundred eighty-three thousand, three hundred eighty-eight".
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