Base | Representation |
---|---|
bin | 10110110011010111… |
… | …00001010101101101 |
3 | 1011121011110222212021 |
4 | 23121223201111231 |
5 | 200032422433323 |
6 | 5342432310141 |
7 | 612240163543 |
oct | 133153412555 |
9 | 34534428767 |
10 | 12241999213 |
11 | 5212320224 |
12 | 24579a2351 |
13 | 1201335622 |
14 | 841c13d93 |
15 | 4b9b2405d |
hex | 2d9ae156d |
12241999213 has 4 divisors (see below), whose sum is σ = 12363207228. Its totient is φ = 12120791200.
The previous prime is 12241999207. The next prime is 12241999219. The reversal of 12241999213 is 31299914221.
It is a semiprime because it is the product of two primes.
It is an interprime number because it is at equal distance from previous prime (12241999207) and next prime (12241999219).
It can be written as a sum of positive squares in 2 ways, for example, as 6426106569 + 5815892644 = 80163^2 + 76262^2 .
It is a cyclic number.
It is not a de Polignac number, because 12241999213 - 29 = 12241998701 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12241999213.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12241999219) 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, 60603856 + ... + 60604057.
It is an arithmetic number, because the mean of its divisors is an integer number (3090801807).
Almost surely, 212241999213 is an apocalyptic number.
It is an amenable number.
12241999213 is a deficient number, since it is larger than the sum of its proper divisors (121208015).
12241999213 is a wasteful number, since it uses less digits than its factorization.
12241999213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121208014.
The product of its digits is 69984, while the sum is 43.
The spelling of 12241999213 in words is "twelve billion, two hundred forty-one million, nine hundred ninety-nine thousand, two hundred thirteen".
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