Base | Representation |
---|---|
bin | 11011111110000110110111… |
… | …001010111011011001111000 |
3 | 121010120010210222122121200010 |
4 | 123332012313022323121320 |
5 | 112110440143220420044 |
6 | 1113344230034341520 |
7 | 34624362053316516 |
oct | 3376066712733170 |
9 | 533503728577603 |
10 | 123015231420024 |
11 | 36218515155219 |
12 | 1196921412a8a0 |
13 | 5384395711338 |
14 | 2253d7cbcb4b6 |
15 | e34d96172bb9 |
hex | 6fe1b72bb678 |
123015231420024 has 32 divisors (see below), whose sum is σ = 311243356609920. Its totient is φ = 40511040065376.
The previous prime is 123015231420001. The next prime is 123015231420043. The reversal of 123015231420024 is 420024132510321.
It is a happy number.
123015231420024 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×1230152314200243 (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 123015231419973 and 123015231420000.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (29) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30877315132 + ... + 30877319115.
It is an arithmetic number, because the mean of its divisors is an integer number (9726354894060).
Almost surely, 2123015231420024 is an apocalyptic number.
It is an amenable number.
123015231420024 is an abundant number, since it is smaller than the sum of its proper divisors (188228125189896).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123015231420024 is a wasteful number, since it uses less digits than its factorization.
123015231420024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61754634339 (or 61754634335 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
Adding to 123015231420024 its reverse (420024132510321), we get a palindrome (543039363930345).
The spelling of 123015231420024 in words is "one hundred twenty-three trillion, fifteen billion, two hundred thirty-one million, four hundred twenty thousand, twenty-four".
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