Base | Representation |
---|---|
bin | 1010001011111111110001… |
… | …0001001101110010010101 |
3 | 1110122211021201202000220122 |
4 | 2202333330101031302111 |
5 | 2432010040300041041 |
6 | 35453433225241325 |
7 | 2234155323002531 |
oct | 242777421156225 |
9 | 43584251660818 |
10 | 11201212112021 |
11 | 3629453249888 |
12 | 130aa53333245 |
13 | 6333678b8679 |
14 | 2aa1da61abc1 |
15 | 14658125cc4b |
hex | a2ffc44dc95 |
11201212112021 has 8 divisors (see below), whose sum is σ = 11211119426304. Its totient is φ = 11191308183360.
The previous prime is 11201212112017. The next prime is 11201212112029. The reversal of 11201212112021 is 12021121210211.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 11201212112021 - 22 = 11201212112017 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (11201212112029) 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, 5796476 + ... + 7483418.
It is an arithmetic number, because the mean of its divisors is an integer number (1401389928288).
Almost surely, 211201212112021 is an apocalyptic number.
It is an amenable number.
11201212112021 is a deficient number, since it is larger than the sum of its proper divisors (9907314283).
11201212112021 is a wasteful number, since it uses less digits than its factorization.
11201212112021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1692811.
The product of its (nonzero) digits is 32, while the sum is 17.
Adding to 11201212112021 its reverse (12021121210211), we get a palindrome (23222333322232).
The spelling of 11201212112021 in words is "eleven trillion, two hundred one billion, two hundred twelve million, one hundred twelve thousand, twenty-one".
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