Base | Representation |
---|---|
bin | 111001011000100010… |
… | …1101001101100101000 |
3 | 102210002010020101000012 |
4 | 1302301011221230220 |
5 | 4004333403224112 |
6 | 132340001231052 |
7 | 11621520563606 |
oct | 1626105515450 |
9 | 383063211005 |
10 | 123230133032 |
11 | 48297219956 |
12 | 1ba71632488 |
13 | b80b4765a6 |
14 | 5d70336876 |
15 | 3313857022 |
hex | 1cb1169b28 |
123230133032 has 16 divisors (see below), whose sum is σ = 237301270260. Its totient is φ = 59949794304.
The previous prime is 123230133031. The next prime is 123230133083. The reversal of 123230133032 is 230331032321.
It can be written as a sum of positive squares in 2 ways, for example, as 122224355236 + 1005777796 = 349606^2 + 31714^2 .
It is a junction number, because it is equal to n+sod(n) for n = 123230132989 and 123230133007.
It is not an unprimeable number, because it can be changed into a prime (123230133031) 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, 208158713 + ... + 208159304.
Almost surely, 2123230133032 is an apocalyptic number.
It is an amenable number.
123230133032 is a deficient number, since it is larger than the sum of its proper divisors (114071137228).
123230133032 is a wasteful number, since it uses less digits than its factorization.
123230133032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 416318060 (or 416318056 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 123230133032 its reverse (230331032321), we get a palindrome (353561165353).
The spelling of 123230133032 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-three thousand, thirty-two".
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