Base | Representation |
---|---|
bin | 100000001010100000110… |
… | …100100000111100010001 |
3 | 21211022012101200102011101 |
4 | 200022200310200330101 |
5 | 242203204143423441 |
6 | 4411223014144401 |
7 | 315455401103434 |
oct | 40124064407421 |
9 | 7738171612141 |
10 | 2210311311121 |
11 | 78242a126711 |
12 | 2b8458952101 |
13 | 13057bbcc074 |
14 | 78da01ad81b |
15 | 3c766805231 |
hex | 202a0d20f11 |
2210311311121 has 4 divisors (see below), whose sum is σ = 2210562292032. Its totient is φ = 2210060330212.
The previous prime is 2210311311113. The next prime is 2210311311127. The reversal of 2210311311121 is 1211131130122.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 2210311311121 - 23 = 2210311311113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2210311311127) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125477245 + ... + 125494858.
It is an arithmetic number, because the mean of its divisors is an integer number (552640573008).
Almost surely, 22210311311121 is an apocalyptic number.
It is an amenable number.
2210311311121 is a deficient number, since it is larger than the sum of its proper divisors (250980911).
2210311311121 is an equidigital number, since it uses as much as digits as its factorization.
2210311311121 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 250980910.
The product of its (nonzero) digits is 72, while the sum is 19.
Adding to 2210311311121 its reverse (1211131130122), we get a palindrome (3421442441243).
The spelling of 2210311311121 in words is "two trillion, two hundred ten billion, three hundred eleven million, three hundred eleven thousand, one hundred twenty-one".
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