Base | Representation |
---|---|
bin | 10110100100110101… |
… | …11011111010101001 |
3 | 1011021200022111222220 |
4 | 23102122323322221 |
5 | 144310233223423 |
6 | 5322402104253 |
7 | 606231044313 |
oct | 132232737251 |
9 | 34250274886 |
10 | 12120211113 |
11 | 515a5a7aaa |
12 | 242304b089 |
13 | 11b203386a |
14 | 82d9907b3 |
15 | 4ae0b89e3 |
hex | 2d26bbea9 |
12120211113 has 8 divisors (see below), whose sum is σ = 16434184800. Its totient is φ = 7943189088.
The previous prime is 12120211079. The next prime is 12120211121. The reversal of 12120211113 is 31111202121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12120211113 - 28 = 12120210857 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 12120211092 and 12120211101.
It is not an unprimeable number, because it can be changed into a prime (12120211133) 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, 34237708 + ... + 34238061.
It is an arithmetic number, because the mean of its divisors is an integer number (2054273100).
Almost surely, 212120211113 is an apocalyptic number.
It is an amenable number.
12120211113 is a deficient number, since it is larger than the sum of its proper divisors (4313973687).
12120211113 is an equidigital number, since it uses as much as digits as its factorization.
12120211113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68475831.
The product of its (nonzero) digits is 24, while the sum is 15.
Adding to 12120211113 its reverse (31111202121), we get a palindrome (43231413234).
The spelling of 12120211113 in words is "twelve billion, one hundred twenty million, two hundred eleven thousand, one hundred thirteen".
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