Base | Representation |
---|---|
bin | 11001011011111101… |
… | …01100100110100110 |
3 | 1022020201202112120212 |
4 | 30231332230212212 |
5 | 210432003442410 |
6 | 10135034055422 |
7 | 662262511241 |
oct | 145576544646 |
9 | 38221675525 |
10 | 13656312230 |
11 | 58786a5560 |
12 | 279157a572 |
13 | 1398355b32 |
14 | 9379b0258 |
15 | 54dd94b05 |
hex | 32dfac9a6 |
13656312230 has 32 divisors (see below), whose sum is σ = 26834105088. Its totient is φ = 4962584800.
The previous prime is 13656312217. The next prime is 13656312239. The reversal of 13656312230 is 3221365631.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13656312239) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125129 + ... + 207291.
It is an arithmetic number, because the mean of its divisors is an integer number (838565784).
Almost surely, 213656312230 is an apocalyptic number.
13656312230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13656312230 is a deficient number, since it is larger than the sum of its proper divisors (13177792858).
13656312230 is a wasteful number, since it uses less digits than its factorization.
13656312230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 83692.
The product of its (nonzero) digits is 19440, while the sum is 32.
Adding to 13656312230 its reverse (3221365631), we get a palindrome (16877677861).
The spelling of 13656312230 in words is "thirteen billion, six hundred fifty-six million, three hundred twelve thousand, two hundred thirty".
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