Base | Representation |
---|---|
bin | 10111001001000110… |
… | …00011111111001101 |
3 | 1012001212120102100022 |
4 | 23210203003333031 |
5 | 200421112044323 |
6 | 5412504311525 |
7 | 616613033660 |
oct | 134443037715 |
9 | 35055512308 |
10 | 12424331213 |
11 | 52a6235a28 |
12 | 24a8a725a5 |
13 | 1230044a98 |
14 | 85c1176d7 |
15 | 4cab3d4c8 |
hex | 2e48c3fcd |
12424331213 has 16 divisors (see below), whose sum is σ = 14412207744. Its totient is φ = 10490887680.
The previous prime is 12424331209. The next prime is 12424331263. The reversal of 12424331213 is 31213342421.
It is not a de Polignac number, because 12424331213 - 22 = 12424331209 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12424331263) 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 15 ways as a sum of consecutive naturals, for example, 76181 + ... + 175077.
It is an arithmetic number, because the mean of its divisors is an integer number (900762984).
Almost surely, 212424331213 is an apocalyptic number.
It is an amenable number.
12424331213 is a deficient number, since it is larger than the sum of its proper divisors (1987876531).
12424331213 is a wasteful number, since it uses less digits than its factorization.
12424331213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99172.
The product of its digits is 3456, while the sum is 26.
Adding to 12424331213 its reverse (31213342421), we get a palindrome (43637673634).
The spelling of 12424331213 in words is "twelve billion, four hundred twenty-four million, three hundred thirty-one thousand, two hundred thirteen".
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