Base | Representation |
---|---|
bin | 10111001010010101… |
… | …11101010001011101 |
3 | 1012002121020202101010 |
4 | 23211022331101131 |
5 | 200431301230334 |
6 | 5413520405433 |
7 | 620100652344 |
oct | 134512752135 |
9 | 35077222333 |
10 | 12434789469 |
11 | 5301129413 |
12 | 24b0476879 |
13 | 12322670bb |
14 | 85d67ab5b |
15 | 4cba070e9 |
hex | 2e52bd45d |
12434789469 has 4 divisors (see below), whose sum is σ = 16579719296. Its totient is φ = 8289859644.
The previous prime is 12434789461. The next prime is 12434789513. The reversal of 12434789469 is 96498743421.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is not a de Polignac number, because 12434789469 - 23 = 12434789461 is a prime.
It is a super-2 number, since 2×124347894692 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12434789461) 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 3 ways as a sum of consecutive naturals, for example, 2072464909 + ... + 2072464914.
It is an arithmetic number, because the mean of its divisors is an integer number (4144929824).
Almost surely, 212434789469 is an apocalyptic number.
It is an amenable number.
12434789469 is a deficient number, since it is larger than the sum of its proper divisors (4144929827).
12434789469 is an equidigital number, since it uses as much as digits as its factorization.
12434789469 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4144929826.
The product of its digits is 10450944, while the sum is 57.
The spelling of 12434789469 in words is "twelve billion, four hundred thirty-four million, seven hundred eighty-nine thousand, four hundred sixty-nine".
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