Base | Representation |
---|---|
bin | 10111111111100011… |
… | …00001000001010111 |
3 | 1020020201001221011100 |
4 | 23333301201001113 |
5 | 202340030324413 |
6 | 5530102441143 |
7 | 634130404635 |
oct | 137761410127 |
9 | 36221057140 |
10 | 12881104983 |
11 | 551005890a |
12 | 25b5a331b3 |
13 | 12a3873a16 |
14 | 8a2a5a355 |
15 | 505cb8a73 |
hex | 2ffc61057 |
12881104983 has 12 divisors (see below), whose sum is σ = 19038739720. Its totient is φ = 8387696016.
The previous prime is 12881104979. The next prime is 12881104991. The reversal of 12881104983 is 38940118821.
It is not a de Polignac number, because 12881104983 - 22 = 12881104979 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12881104933) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16641868 + ... + 16642641.
Almost surely, 212881104983 is an apocalyptic number.
12881104983 is a deficient number, since it is larger than the sum of its proper divisors (6157634737).
12881104983 is a wasteful number, since it uses less digits than its factorization.
12881104983 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 33284558 (or 33284555 counting only the distinct ones).
The product of its (nonzero) digits is 110592, while the sum is 45.
The spelling of 12881104983 in words is "twelve billion, eight hundred eighty-one million, one hundred four thousand, nine hundred eighty-three".
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