Base | Representation |
---|---|
bin | 10110111011100000… |
… | …01110101000010001 |
3 | 1011202221002011202120 |
4 | 23131300032220101 |
5 | 200202421422121 |
6 | 5353313204453 |
7 | 614030116245 |
oct | 133560165021 |
9 | 34687064676 |
10 | 12310342161 |
11 | 524795a2a7 |
12 | 2476860729 |
13 | 1212543b40 |
14 | 84ad24425 |
15 | 4c0b23bc6 |
hex | 2ddc0ea11 |
12310342161 has 16 divisors (see below), whose sum is σ = 18087470016. Its totient is φ = 7399417536.
The previous prime is 12310342129. The next prime is 12310342181. The reversal of 12310342161 is 16124301321.
It is a happy number.
It is not a de Polignac number, because 12310342161 - 25 = 12310342129 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12310342181) 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, 3668670 + ... + 3672023.
It is an arithmetic number, because the mean of its divisors is an integer number (1130466876).
Almost surely, 212310342161 is an apocalyptic number.
It is an amenable number.
12310342161 is a deficient number, since it is larger than the sum of its proper divisors (5777127855).
12310342161 is a wasteful number, since it uses less digits than its factorization.
12310342161 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7340752.
The product of its (nonzero) digits is 864, while the sum is 24.
Adding to 12310342161 its reverse (16124301321), we get a palindrome (28434643482).
The spelling of 12310342161 in words is "twelve billion, three hundred ten million, three hundred forty-two thousand, one hundred sixty-one".
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