Base | Representation |
---|---|
bin | 11000001010011110… |
… | …11110000010010111 |
3 | 1020111002200201021120 |
4 | 30011033132002113 |
5 | 203032021440114 |
6 | 5543141015023 |
7 | 636323230113 |
oct | 140517360227 |
9 | 36432621246 |
10 | 12972843159 |
11 | 5557917091 |
12 | 26206b4473 |
13 | 12b9883b73 |
14 | 8b0cda743 |
15 | 50dd8a5a9 |
hex | 3053de097 |
12972843159 has 8 divisors (see below), whose sum is σ = 17379101952. Its totient is φ = 8607573240.
The previous prime is 12972843139. The next prime is 12972843181. The reversal of 12972843159 is 95134827921.
12972843159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12972843159 - 25 = 12972843127 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12972843109) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10246479 + ... + 10247744.
It is an arithmetic number, because the mean of its divisors is an integer number (2172387744).
Almost surely, 212972843159 is an apocalyptic number.
12972843159 is a deficient number, since it is larger than the sum of its proper divisors (4406258793).
12972843159 is a wasteful number, since it uses less digits than its factorization.
12972843159 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20494437.
The product of its digits is 1088640, while the sum is 51.
The spelling of 12972843159 in words is "twelve billion, nine hundred seventy-two million, eight hundred forty-three thousand, one hundred fifty-nine".
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