Base | Representation |
---|---|
bin | 111001011101111110… |
… | …0010100000001010001 |
3 | 102210112210220002000101 |
4 | 1302323330110001101 |
5 | 4010222012444241 |
6 | 132410024252401 |
7 | 11626161453265 |
oct | 1627374240121 |
9 | 383483802011 |
10 | 123412234321 |
11 | 4837aa97292 |
12 | 1bb02611101 |
13 | b83a104a2c |
14 | 5d8a5ba0a5 |
15 | 3324827e31 |
hex | 1cbbf14051 |
123412234321 has 8 divisors (see below), whose sum is σ = 124388712000. Its totient is φ = 122437733040.
The previous prime is 123412234301. The next prime is 123412234331. The reversal of 123412234321 is 123432214321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 123412234321 - 29 = 123412233809 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 123412234321.
It is not an unprimeable number, because it can be changed into a prime (123412234301) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 368595 + ... + 618616.
It is an arithmetic number, because the mean of its divisors is an integer number (15548589000).
Almost surely, 2123412234321 is an apocalyptic number.
It is an amenable number.
123412234321 is a deficient number, since it is larger than the sum of its proper divisors (976477679).
123412234321 is an equidigital number, since it uses as much as digits as its factorization.
123412234321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 988199.
The product of its digits is 6912, while the sum is 28.
Adding to 123412234321 its reverse (123432214321), we get a palindrome (246844448642).
The spelling of 123412234321 in words is "one hundred twenty-three billion, four hundred twelve million, two hundred thirty-four thousand, three hundred twenty-one".
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