Base | Representation |
---|---|
bin | 111001011011111100… |
… | …1100110010110110011 |
3 | 102210101002021110012111 |
4 | 1302313321212112303 |
5 | 4010102132223011 |
6 | 132355202510151 |
7 | 11624406135631 |
oct | 1626771462663 |
9 | 383332243174 |
10 | 123344414131 |
11 | 48345784a44 |
12 | 1baa3965357 |
13 | b82904a443 |
14 | 5d815a4351 |
15 | 331d8cd121 |
hex | 1cb7e665b3 |
123344414131 has 4 divisors (see below), whose sum is σ = 123382334512. Its totient is φ = 123306493752.
The previous prime is 123344414129. The next prime is 123344414159. The reversal of 123344414131 is 131414443321.
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 123344414131 - 21 = 123344414129 is a prime.
It is a super-2 number, since 2×1233444141312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 123344414093 and 123344414102.
It is not an unprimeable number, because it can be changed into a prime (123344414161) 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, 18955311 + ... + 18961816.
It is an arithmetic number, because the mean of its divisors is an integer number (30845583628).
Almost surely, 2123344414131 is an apocalyptic number.
123344414131 is a deficient number, since it is larger than the sum of its proper divisors (37920381).
123344414131 is an equidigital number, since it uses as much as digits as its factorization.
123344414131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37920380.
The product of its digits is 13824, while the sum is 31.
Adding to 123344414131 its reverse (131414443321), we get a palindrome (254758857452).
The spelling of 123344414131 in words is "one hundred twenty-three billion, three hundred forty-four million, four hundred fourteen thousand, one hundred thirty-one".
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