Base | Representation |
---|---|
bin | 10111001000110110… |
… | …11110100111011011 |
3 | 1012001201211102012122 |
4 | 23210123132213123 |
5 | 200420104440011 |
6 | 5412353531455 |
7 | 616560113552 |
oct | 134433364733 |
9 | 35051742178 |
10 | 12422343131 |
11 | 52a50a8290 |
12 | 24a8273b8b |
13 | 122c7c9bc3 |
14 | 85bb5ad99 |
15 | 4ca8993db |
hex | 2e46de9db |
12422343131 has 16 divisors (see below), whose sum is σ = 13846394880. Its totient is φ = 11047639680.
The previous prime is 12422343103. The next prime is 12422343133. The reversal of 12422343131 is 13134322421.
It is not a de Polignac number, because 12422343131 - 26 = 12422343067 is a prime.
It is a super-2 number, since 2×124223431312 (a number of 21 digits) contains 22 as substring.
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 12422343131.
It is not an unprimeable number, because it can be changed into a prime (12422343133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1509155 + ... + 1517363.
It is an arithmetic number, because the mean of its divisors is an integer number (865399680).
Almost surely, 212422343131 is an apocalyptic number.
12422343131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12422343131 is a deficient number, since it is larger than the sum of its proper divisors (1424051749).
12422343131 is a wasteful number, since it uses less digits than its factorization.
12422343131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11194.
The product of its digits is 3456, while the sum is 26.
Adding to 12422343131 its reverse (13134322421), we get a palindrome (25556665552).
It can be divided in two parts, 12422 and 343131, that added together give a palindrome (355553).
The spelling of 12422343131 in words is "twelve billion, four hundred twenty-two million, three hundred forty-three thousand, one hundred thirty-one".
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