Base | Representation |
---|---|
bin | 10110100110010000… |
… | …10010011111001011 |
3 | 1011022111200112112122 |
4 | 23103020102133023 |
5 | 144321304200133 |
6 | 5323505001455 |
7 | 606434102030 |
oct | 132310223713 |
9 | 34274615478 |
10 | 12132100043 |
11 | 5166288368 |
12 | 242702328b |
13 | 11b463712b |
14 | 8313a7387 |
15 | 4b0166498 |
hex | 2d32127cb |
12132100043 has 4 divisors (see below), whose sum is σ = 13865257200. Its totient is φ = 10398942888.
The previous prime is 12132099979. The next prime is 12132100049. The reversal of 12132100043 is 34000123121.
12132100043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34000123121 = 53 ⋅641511757.
It is a cyclic number.
It is not a de Polignac number, because 12132100043 - 26 = 12132099979 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12132099994 and 12132100030.
It is not an unprimeable number, because it can be changed into a prime (12132100049) 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 3 ways as a sum of consecutive naturals, for example, 866578568 + ... + 866578581.
It is an arithmetic number, because the mean of its divisors is an integer number (3466314300).
Almost surely, 212132100043 is an apocalyptic number.
12132100043 is a deficient number, since it is larger than the sum of its proper divisors (1733157157).
12132100043 is an equidigital number, since it uses as much as digits as its factorization.
12132100043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1733157156.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 12132100043 its reverse (34000123121), we get a palindrome (46132223164).
The spelling of 12132100043 in words is "twelve billion, one hundred thirty-two million, one hundred thousand, forty-three".
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