Base | Representation |
---|---|
bin | 1100011110000100101… |
… | …0110101100110111001 |
3 | 202110222010122002022010 |
4 | 3013201022311212321 |
5 | 12002221131041441 |
6 | 242225540120133 |
7 | 21322563256545 |
oct | 3074112654671 |
9 | 673863562263 |
10 | 214231112121 |
11 | 82944972394 |
12 | 35629696049 |
13 | 17281789590 |
14 | a524158a25 |
15 | 588ca0a116 |
hex | 31e12b59b9 |
214231112121 has 8 divisors (see below), whose sum is σ = 307613904640. Its totient is φ = 131834530512.
The previous prime is 214231112111. The next prime is 214231112201. The reversal of 214231112121 is 121211132412.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 214231112121 - 221 = 214229014969 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (214231112111) 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, 2746552681 + ... + 2746552758.
It is an arithmetic number, because the mean of its divisors is an integer number (38451738080).
Almost surely, 2214231112121 is an apocalyptic number.
It is an amenable number.
214231112121 is a deficient number, since it is larger than the sum of its proper divisors (93382792519).
214231112121 is a wasteful number, since it uses less digits than its factorization.
214231112121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5493105455.
The product of its digits is 192, while the sum is 21.
Adding to 214231112121 its reverse (121211132412), we get a palindrome (335442244533).
The spelling of 214231112121 in words is "two hundred fourteen billion, two hundred thirty-one million, one hundred twelve thousand, one hundred twenty-one".
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