Base | Representation |
---|---|
bin | 10111001010000001… |
… | …11011111011100010 |
3 | 1012002102022021220002 |
4 | 23211000323323202 |
5 | 200430113200110 |
6 | 5413344220002 |
7 | 620036431544 |
oct | 134500737342 |
9 | 35072267802 |
10 | 12432162530 |
11 | 52aa6a4797 |
12 | 24ab60a602 |
13 | 12318574b8 |
14 | 85d195694 |
15 | 4cb688aa5 |
hex | 2e503bee2 |
12432162530 has 16 divisors (see below), whose sum is σ = 22444301880. Its totient is φ = 4958107392.
The previous prime is 12432162527. The next prime is 12432162539. The reversal of 12432162530 is 3526123421.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 5330898169 + 7101264361 = 73013^2 + 84269^2 .
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 12432162493 and 12432162502.
It is not an unprimeable number, because it can be changed into a prime (12432162539) 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, 1841165 + ... + 1847904.
Almost surely, 212432162530 is an apocalyptic number.
12432162530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12432162530 is a deficient number, since it is larger than the sum of its proper divisors (10012139350).
12432162530 is a wasteful number, since it uses less digits than its factorization.
12432162530 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3689413.
The product of its (nonzero) digits is 8640, while the sum is 29.
Adding to 12432162530 its reverse (3526123421), we get a palindrome (15958285951).
The spelling of 12432162530 in words is "twelve billion, four hundred thirty-two million, one hundred sixty-two thousand, five hundred thirty".
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