Base | Representation |
---|---|
bin | 1011001100001000010100… |
… | …1100111101100001111111 |
3 | 1121120011020200202002001211 |
4 | 2303002011030331201333 |
5 | 3103033041400300411 |
6 | 42055532503545251 |
7 | 2406602221623115 |
oct | 263020514754177 |
9 | 47504220662054 |
10 | 12303021103231 |
11 | 3a13755745731 |
12 | 14684a8a5b227 |
13 | 6b32293b1331 |
14 | 30768005bab5 |
15 | 16506a941221 |
hex | b308533d87f |
12303021103231 has 4 divisors (see below), whose sum is σ = 12424833193464. Its totient is φ = 12181209013000.
The previous prime is 12303021103201. The next prime is 12303021103259. The reversal of 12303021103231 is 13230112030321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12303021103231 - 221 = 12303019006079 is a prime.
It is a super-2 number, since 2×123030211032312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12303021103201) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60906044965 + ... + 60906045166.
It is an arithmetic number, because the mean of its divisors is an integer number (3106208298366).
Almost surely, 212303021103231 is an apocalyptic number.
12303021103231 is a deficient number, since it is larger than the sum of its proper divisors (121812090233).
12303021103231 is a wasteful number, since it uses less digits than its factorization.
12303021103231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121812090232.
The product of its (nonzero) digits is 648, while the sum is 22.
Adding to 12303021103231 its reverse (13230112030321), we get a palindrome (25533133133552).
The spelling of 12303021103231 in words is "twelve trillion, three hundred three billion, twenty-one million, one hundred three thousand, two hundred thirty-one".
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