Base | Representation |
---|---|
bin | 10001101000111001001… |
… | …111110101101111000011 |
3 | 11021212202012120112220021 |
4 | 101220321033311233003 |
5 | 124324431123343133 |
6 | 2324503333154311 |
7 | 153400663315051 |
oct | 21507117655703 |
9 | 4255665515807 |
10 | 1212141231043 |
11 | 428080140736 |
12 | 176b0778b997 |
13 | 8a3c5a9aca2 |
14 | 4294cbcb1d1 |
15 | 217e5a5752d |
hex | 11a393f5bc3 |
1212141231043 has 8 divisors (see below), whose sum is σ = 1277737782800. Its totient is φ = 1146724643808.
The previous prime is 1212141231031. The next prime is 1212141231061. The reversal of 1212141231043 is 3401321412121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1212141231043 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1212141230999 and 1212141231017.
It is not an unprimeable number, because it can be changed into a prime (1212141231143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44977296 + ... + 45004237.
It is an arithmetic number, because the mean of its divisors is an integer number (159717222850).
Almost surely, 21212141231043 is an apocalyptic number.
1212141231043 is a deficient number, since it is larger than the sum of its proper divisors (65596551757).
1212141231043 is an equidigital number, since it uses as much as digits as its factorization.
1212141231043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 89982261.
The product of its (nonzero) digits is 1152, while the sum is 25.
Adding to 1212141231043 its reverse (3401321412121), we get a palindrome (4613462643164).
The spelling of 1212141231043 in words is "one trillion, two hundred twelve billion, one hundred forty-one million, two hundred thirty-one thousand, forty-three".
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