Base | Representation |
---|---|
bin | 10110111101111111… |
… | …00000001011001001 |
3 | 1011211101011222021010 |
4 | 23132333200023021 |
5 | 200223231422101 |
6 | 5355334434133 |
7 | 614401551042 |
oct | 133677401311 |
9 | 34741158233 |
10 | 12331123401 |
11 | 5258663583 |
12 | 2481802949 |
13 | 121693ba2c |
14 | 84d9b38c9 |
15 | 4c287b2d6 |
hex | 2defe02c9 |
12331123401 has 8 divisors (see below), whose sum is σ = 16442026720. Its totient is φ = 8220484512.
The previous prime is 12331123361. The next prime is 12331123411. The reversal of 12331123401 is 10432113321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12331123401 - 29 = 12331122889 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12331123411) 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 7 ways as a sum of consecutive naturals, for example, 108870 + ... + 191088.
It is an arithmetic number, because the mean of its divisors is an integer number (2055253340).
Almost surely, 212331123401 is an apocalyptic number.
It is an amenable number.
12331123401 is a deficient number, since it is larger than the sum of its proper divisors (4110903319).
12331123401 is an equidigital number, since it uses as much as digits as its factorization.
12331123401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132215.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12331123401 its reverse (10432113321), we get a palindrome (22763236722).
The spelling of 12331123401 in words is "twelve billion, three hundred thirty-one million, one hundred twenty-three thousand, four hundred one".
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