Base | Representation |
---|---|
bin | 10111010111011110… |
… | …11101100010110010 |
3 | 1012101021200011011021 |
4 | 23223233131202302 |
5 | 201143011202010 |
6 | 5432455210054 |
7 | 622606633354 |
oct | 135357354262 |
9 | 35337604137 |
10 | 12545022130 |
11 | 5358379893 |
12 | 252137692a |
13 | 124c051324 |
14 | 8701730d4 |
15 | 4d652d8da |
hex | 2ebbdd8b2 |
12545022130 has 32 divisors (see below), whose sum is σ = 23446681200. Its totient is φ = 4826932992.
The previous prime is 12545022121. The next prime is 12545022151. The reversal of 12545022130 is 3122054521.
It can be written as a sum of positive squares in 8 ways, for example, as 308458969 + 12236563161 = 17563^2 + 110619^2 .
It is a junction number, because it is equal to n+sod(n) for n = 12545022095 and 12545022104.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2397 + ... + 158416.
Almost surely, 212545022130 is an apocalyptic number.
12545022130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12545022130 is a deficient number, since it is larger than the sum of its proper divisors (10901659070).
12545022130 is a wasteful number, since it uses less digits than its factorization.
12545022130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 161118.
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 12545022130 its reverse (3122054521), we get a palindrome (15667076651).
The spelling of 12545022130 in words is "twelve billion, five hundred forty-five million, twenty-two thousand, one hundred thirty".
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