Base | Representation |
---|---|
bin | 111001011011100011… |
… | …1101100000001010011 |
3 | 102210100011122201022220 |
4 | 1302313013230001103 |
5 | 4010040310031011 |
6 | 132354014232123 |
7 | 11624160003102 |
oct | 1626707540123 |
9 | 383304581286 |
10 | 123331330131 |
11 | 48339358819 |
12 | 1ba9b4b5643 |
13 | b826418c29 |
14 | 5d7d95a039 |
15 | 331c696506 |
hex | 1cb71ec053 |
123331330131 has 8 divisors (see below), whose sum is σ = 165096921024. Its totient is φ = 81893313000.
The previous prime is 123331330097. The next prime is 123331330147. The reversal of 123331330131 is 131033133321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 123331330131 - 29 = 123331329619 is a prime.
It is a super-2 number, since 2×1233313301312 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (123331330151) 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, 81892561 + ... + 81894066.
It is an arithmetic number, because the mean of its divisors is an integer number (20637115128).
Almost surely, 2123331330131 is an apocalyptic number.
123331330131 is a deficient number, since it is larger than the sum of its proper divisors (41765590893).
123331330131 is a wasteful number, since it uses less digits than its factorization.
123331330131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 163786881.
The product of its (nonzero) digits is 1458, while the sum is 24.
Adding to 123331330131 its reverse (131033133321), we get a palindrome (254364463452).
The spelling of 123331330131 in words is "one hundred twenty-three billion, three hundred thirty-one million, three hundred thirty thousand, one hundred thirty-one".
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