Base | Representation |
---|---|
bin | 111001010010010010… |
… | …0100011011011110001 |
3 | 102202112111002010001100 |
4 | 1302210210203123301 |
5 | 4003421123130113 |
6 | 132303100155013 |
7 | 11613360565143 |
oct | 1624444433361 |
9 | 382474063040 |
10 | 123020130033 |
11 | 48199724559 |
12 | 1ba13238a69 |
13 | b7a6ac9268 |
14 | 5d504acc93 |
15 | 33001c3d73 |
hex | 1ca49236f1 |
123020130033 has 24 divisors (see below), whose sum is σ = 178231959360. Its totient is φ = 81766268640.
The previous prime is 123020130031. The next prime is 123020130043. The reversal of 123020130033 is 330031020321.
It is not a de Polignac number, because 123020130033 - 21 = 123020130031 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 123020129988 and 123020130015.
It is not an unprimeable number, because it can be changed into a prime (123020130031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4684303 + ... + 4710491.
It is an arithmetic number, because the mean of its divisors is an integer number (7426331640).
Almost surely, 2123020130033 is an apocalyptic number.
It is an amenable number.
123020130033 is a deficient number, since it is larger than the sum of its proper divisors (55211829327).
123020130033 is a wasteful number, since it uses less digits than its factorization.
123020130033 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27749 (or 27746 counting only the distinct ones).
The product of its (nonzero) digits is 324, while the sum is 18.
Adding to 123020130033 its reverse (330031020321), we get a palindrome (453051150354).
The spelling of 123020130033 in words is "one hundred twenty-three billion, twenty million, one hundred thirty thousand, thirty-three".
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