Base | Representation |
---|---|
bin | 111001010010010010… |
… | …0000110101100101101 |
3 | 102202112110212010121002 |
4 | 1302210210012230231 |
5 | 4003421110343313 |
6 | 132303053450045 |
7 | 11613356565041 |
oct | 1624444065455 |
9 | 382473763532 |
10 | 123020012333 |
11 | 48199654089 |
12 | 1ba131a0925 |
13 | b7a6a8780a |
14 | 5d5047c021 |
15 | 330019e058 |
hex | 1ca4906b2d |
123020012333 has 4 divisors (see below), whose sum is σ = 123020806140. Its totient is φ = 123019218528.
The previous prime is 123020012299. The next prime is 123020012351. The reversal of 123020012333 is 333210020321.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 333210020321 = 72719 ⋅4582159.
It can be written as a sum of positive squares in 2 ways, for example, as 96334502884 + 26685509449 = 310378^2 + 163357^2 .
It is a cyclic number.
It is not a de Polignac number, because 123020012333 - 228 = 122751576877 is a prime.
It is a super-2 number, since 2×1230200123332 (a number of 23 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 (123020011333) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80210 + ... + 502467.
It is an arithmetic number, because the mean of its divisors is an integer number (30755201535).
Almost surely, 2123020012333 is an apocalyptic number.
It is an amenable number.
123020012333 is a deficient number, since it is larger than the sum of its proper divisors (793807).
123020012333 is an equidigital number, since it uses as much as digits as its factorization.
123020012333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 793806.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 123020012333 its reverse (333210020321), we get a palindrome (456230032654).
The spelling of 123020012333 in words is "one hundred twenty-three billion, twenty million, twelve thousand, three hundred thirty-three".
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