Base | Representation |
---|---|
bin | 11000011100011000… |
… | …11000110100111100 |
3 | 1020212120022000100110 |
4 | 30032030120310330 |
5 | 203333443432312 |
6 | 10010104030020 |
7 | 643125626436 |
oct | 141614306474 |
9 | 36776260313 |
10 | 13123030332 |
11 | 5624676a15 |
12 | 2662a62310 |
13 | 1311a1a009 |
14 | 8c6c33656 |
15 | 51c15543c |
hex | 30e318d3c |
13123030332 has 24 divisors (see below), whose sum is σ = 31008006400. Its totient is φ = 4318971696.
The previous prime is 13123030309. The next prime is 13123030339. The reversal of 13123030332 is 23303032131.
It is a junction number, because it is equal to n+sod(n) for n = 13123030299 and 13123030308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123030339) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6920482 + ... + 6922377.
Almost surely, 213123030332 is an apocalyptic number.
13123030332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13123030332 is an abundant number, since it is smaller than the sum of its proper divisors (17884976068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123030332 is a wasteful number, since it uses less digits than its factorization.
13123030332 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13842945 (or 13842943 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 13123030332 its reverse (23303032131), we get a palindrome (36426062463).
The spelling of 13123030332 in words is "thirteen billion, one hundred twenty-three million, thirty thousand, three hundred thirty-two".
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