Base | Representation |
---|---|
bin | 11000001011111010… |
… | …01100110101110111 |
3 | 1020111221020202222200 |
4 | 30011331030311313 |
5 | 203043104100401 |
6 | 5544245555543 |
7 | 636530150112 |
oct | 140575146567 |
9 | 36457222880 |
10 | 12984831351 |
11 | 5563664a88 |
12 | 2624715bb3 |
13 | 12bc1c067b |
14 | 8b273b579 |
15 | 50ee57686 |
hex | 305f4cd77 |
12984831351 has 12 divisors (see below), whose sum is σ = 19035806712. Its totient is φ = 8527351536.
The previous prime is 12984831347. The next prime is 12984831371. The reversal of 12984831351 is 15313848921.
12984831351 is a `hidden beast` number, since 1 + 298 + 4 + 8 + 3 + 1 + 351 = 666.
It is not a de Polignac number, because 12984831351 - 22 = 12984831347 is a prime.
It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 12984831297 and 12984831306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12984831311) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10766256 + ... + 10767461.
It is an arithmetic number, because the mean of its divisors is an integer number (1586317226).
Almost surely, 212984831351 is an apocalyptic number.
12984831351 is a deficient number, since it is larger than the sum of its proper divisors (6050975361).
12984831351 is a wasteful number, since it uses less digits than its factorization.
12984831351 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21533790 (or 21533787 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The spelling of 12984831351 in words is "twelve billion, nine hundred eighty-four million, eight hundred thirty-one thousand, three hundred fifty-one".
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